KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

2019-05-14T00:00:00

Description

The remote Windows host is missing security - A new subclass of speculative execution side An attacker who successfully exploited these vulnerabilities (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, - A security feature bypass vulnerability exists when (CVE-2019-0995) - A remote code execution vulnerability exists in the way - A remote code execution vulnerability exists when the - An elevation of privilege vulnerability exists when the - A remote code execution vulnerability exists in the way - An information disclosure vulnerability exists when - An elevation of privilege vulnerability exists in the (CVE-2019-0942) - A remote code execution vulnerability exists in the way - A security feature bypass vulnerability exists in - An spoofing vulnerability exists when Internet Explorer - An elevation of privilege vulnerability exists when the - An elevation of privilege vulnerability exists in - A remote code execution vulnerability exists when - A remote code execution vulnerability exists in the way (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the - An information disclosure vulnerability exists when An attacker who successfully exploited the vulnerability - A denial of service vulnerability exists when .NET - An elevation of privilege vulnerability exists in - A memory corruption vulnerability exists in the Windows - A denial of service vulnerability exists when .NET - An information disclosure vulnerability exists when the The security update addresses the vulnerability by - An elevation of privilege vulnerability exists in - An elevation of privilege vulnerability exists in the - A denial of service vulnerability exists when .NET An attacker who successfully exploited this The update addresses the vulnerability by correcting how update 4494440. It is, therefore, affected by multiple vulnerabilities : channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. CVE-2019-11091) urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) Internet Explorer improperly handles objects in memory. could obtain information to further compromise the users system. (CVE-2019-0930) Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725) Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) Framework or .NET Core improperly handle web requests. vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)

{"id": "SMB_NT_MS19_MAY_4494440.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)", "description": "The remote Windows host is missing security update 4494440. It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)\n\n - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way.\n (CVE-2019-0995)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933)\n\n - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)", "published": "2019-05-14T00:00:00", "modified": "2021-11-30T00:00:00", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/125058", "reporter": "This script is Copyright (C) 2019-2021 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0918", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0863", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0733", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0995", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0882", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0923", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0820", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0922", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0885", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0930", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12130", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0981", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0902", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0917", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0727", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0915", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12127", "http://www.nessus.org/u?7b2b84b8", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0734", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0914", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0707", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0758", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0725", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0864", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0897", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0898", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0911", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0927", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0942", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0916", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0925", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0913", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0899", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0891", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0894", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0895", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0924", "http://www.nessus.org/u?57eaeb45", "http://www.nessus.org/u?8902cebb", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0901", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0900", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0940", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0903", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0912", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11091", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0961", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0884", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0886", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0890", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0938", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0936", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12126", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0921", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0889", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0881", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0980", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0933", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0893", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0896"], "cvelist": ["CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0725", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", "CVE-2019-0903", "CVE-2019-0911", "CVE-2019-0912", "CVE-2019-0913", "CVE-2019-0914", "CVE-2019-0915", "CVE-2019-0916", "CVE-2019-0917", "CVE-2019-0918", "CVE-2019-0921", "CVE-2019-0922", "CVE-2019-0923", "CVE-2019-0924", "CVE-2019-0925", "CVE-2019-0927", "CVE-2019-0930", "CVE-2019-0933", "CVE-2019-0936", "CVE-2019-0938", "CVE-2019-0940", "CVE-2019-0942", "CVE-2019-0961", "CVE-2019-0980", "CVE-2019-0981", "CVE-2019-0995", "CVE-2019-11091"], "immutableFields": [], "lastseen": "2022-02-28T13:15:09", "viewCount": 36, "enchantments": {"dependencies": {"references": [{"type": "amazon", "idList": ["ALAS-2019-1205", "ALAS-2019-1260", "ALAS2-2019-1205", "ALAS2-2019-1274"]}, {"type": "apple", "idList": ["APPLE:F140693073F19FD842C6915DBBBD6D8D", "APPLE:HT210119"]}, {"type": "attackerkb", "idList": ["AKB:55070FB2-4056-4DD6-AABD-3E116899268F", "AKB:BB76C56C-4405-4565-AECB-D49EDA230DCB"]}, {"type": "centos", "idList": ["CESA-2019:1168", "CESA-2019:1169", "CESA-2019:1177", "CESA-2019:1178", "CESA-2019:1180", "CESA-2019:1181"]}, {"type": "checkpoint_advisories", "idList": ["CPAI-2019-0571", "CPAI-2019-0574", "CPAI-2019-0575", "CPAI-2019-0577", "CPAI-2019-0578", "CPAI-2019-0579", "CPAI-2019-0580", "CPAI-2019-0582", "CPAI-2019-0583", "CPAI-2019-0584", "CPAI-2019-0585", "CPAI-2019-0586", "CPAI-2019-0587", "CPAI-2019-0588", "CPAI-2019-1455", "CPAI-2019-1538"]}, {"type": "checkpoint_security", "idList": ["CPS:SK153672"]}, {"type": "citrix", "idList": ["CTX251995"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:02669B806A06D41B24DA398CE2D4EEFD", "CFOUNDRY:87EED6F38C9114A077795F94CEE1CCD3", "CFOUNDRY:B2E69F41B4038981C401E61FA93A1C88", "CFOUNDRY:B35B43834E131FD9F0A2BB00D581980F", "CFOUNDRY:E69484607521DCF7CA9844727923D7C3"]}, {"type": "cve", "idList": ["CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0725", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", 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The text\n# itself is copyright (C) Microsoft Corporation.\n#\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(125058);\n script_version(\"1.13\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/11/30\");\n\n script_cve_id(\n \"CVE-2018-12126\",\n \"CVE-2018-12127\",\n \"CVE-2018-12130\",\n \"CVE-2019-0707\",\n \"CVE-2019-0725\",\n \"CVE-2019-0727\",\n \"CVE-2019-0733\",\n \"CVE-2019-0734\",\n \"CVE-2019-0758\",\n \"CVE-2019-0820\",\n \"CVE-2019-0863\",\n \"CVE-2019-0864\",\n \"CVE-2019-0881\",\n \"CVE-2019-0882\",\n \"CVE-2019-0884\",\n \"CVE-2019-0885\",\n \"CVE-2019-0886\",\n \"CVE-2019-0889\",\n \"CVE-2019-0890\",\n \"CVE-2019-0891\",\n \"CVE-2019-0893\",\n \"CVE-2019-0894\",\n \"CVE-2019-0895\",\n \"CVE-2019-0896\",\n \"CVE-2019-0897\",\n \"CVE-2019-0898\",\n \"CVE-2019-0899\",\n \"CVE-2019-0900\",\n \"CVE-2019-0901\",\n \"CVE-2019-0902\",\n \"CVE-2019-0903\",\n \"CVE-2019-0911\",\n \"CVE-2019-0912\",\n \"CVE-2019-0913\",\n \"CVE-2019-0914\",\n \"CVE-2019-0915\",\n \"CVE-2019-0916\",\n \"CVE-2019-0917\",\n \"CVE-2019-0918\",\n \"CVE-2019-0921\",\n \"CVE-2019-0922\",\n \"CVE-2019-0923\",\n \"CVE-2019-0924\",\n \"CVE-2019-0925\",\n \"CVE-2019-0927\",\n \"CVE-2019-0930\",\n \"CVE-2019-0933\",\n \"CVE-2019-0936\",\n \"CVE-2019-0938\",\n \"CVE-2019-0940\",\n \"CVE-2019-0942\",\n \"CVE-2019-0961\",\n \"CVE-2019-0980\",\n \"CVE-2019-0981\",\n \"CVE-2019-0995\",\n \"CVE-2019-11091\"\n );\n script_xref(name:\"MSKB\", value:\"4494440\");\n script_xref(name:\"MSFT\", value:\"MS19-4494440\");\n script_xref(name:\"CISA-KNOWN-EXPLOITED\", value:\"2022/05/03\");\n\n script_name(english:\"KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)\");\n script_summary(english:\"Checks for rollup.\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Windows host is affected by multiple vulnerabilities.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote Windows host is missing security update 4494440. \nIt is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities,\n known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities \n may be able to read privileged data across trust boundaries. \n In shared resource environments (such as exists in some cloud \n services configurations), these vulnerabilities could allow \n one virtual machine to improperly access information from \n another. In non-browsing scenarios on standalone systems, an \n attacker would need prior access to the system or an ability \n to run a specially crafted application on the target system \n to leverage these vulnerabilities.\n (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)\n\n - A security feature bypass vulnerability exists when\n urlmon.dll improperly handles certain Mark of the Web\n queries. The vulnerability allows Internet Explorer to\n bypass Mark of the Web warnings or restrictions for\n files downloaded or created in a specific way.\n (CVE-2019-0995)\n\n - A remote code execution vulnerability exists in the way\n that Microsoft browsers access objects in memory. The\n vulnerability could corrupt memory in a way that could\n allow an attacker to execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when the\n Windows Jet Database Engine improperly handles objects\n in memory. An attacker who successfully exploited this\n vulnerability could execute arbitrary code on a victim\n system. An attacker could exploit this vulnerability by\n enticing a victim to open a specially crafted file. The\n update addresses the vulnerability by correcting the way\n the Windows Jet Database Engine handles objects in\n memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891,\n CVE-2019-0893, CVE-2019-0894, CVE-2019-0895,\n CVE-2019-0896, CVE-2019-0897, CVE-2019-0898,\n CVE-2019-0899, CVE-2019-0900, CVE-2019-0901,\n CVE-2019-0902)\n\n - An elevation of privilege vulnerability exists when the\n Windows Kernel improperly handles key enumeration. An\n attacker who successfully exploited the vulnerability\n could gain elevated privileges on a targeted system. A\n locally authenticated attacker could exploit this\n vulnerability by running a specially crafted\n application. The security update addresses the\n vulnerability by helping to ensure that the Windows\n Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - A remote code execution vulnerability exists in the way\n that the Windows Graphics Device Interface (GDI) handles\n objects in the memory. An attacker who successfully\n exploited this vulnerability could take control of the\n affected system. An attacker could then install\n programs; view, change, or delete data; or create new\n accounts with full user rights. (CVE-2019-0903)\n\n - An information disclosure vulnerability exists when\n Windows Hyper-V on a host operating system fails to\n properly validate input from an authenticated user on a\n guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the\n Unified Write Filter (UWF) feature for Windows 10 when\n it improperly restricts access to the registry. An\n attacker who successfully exploited the vulnerability\n could make changes to the registry keys protected by UWF\n without having administrator privileges.\n (CVE-2019-0942)\n\n - A remote code execution vulnerability exists in the way\n that the Chakra scripting engine handles objects in\n memory in Microsoft Edge. The vulnerability could\n corrupt memory in such a way that an attacker could\n execute arbitrary code in the context of the current\n user. An attacker who successfully exploited the\n vulnerability could gain the same user rights as the\n current user. (CVE-2019-0912, CVE-2019-0913,\n CVE-2019-0914, CVE-2019-0915, CVE-2019-0916,\n CVE-2019-0917, CVE-2019-0922, CVE-2019-0923,\n CVE-2019-0924, CVE-2019-0925, CVE-2019-0927,\n CVE-2019-0933)\n\n - A security feature bypass vulnerability exists in\n Windows Defender Application Control (WDAC) which could\n allow an attacker to bypass WDAC enforcement. An\n attacker who successfully exploited this vulnerability\n could circumvent Windows PowerShell Constrained Language\n Mode on the machine. (CVE-2019-0733)\n\n - An spoofing vulnerability exists when Internet Explorer\n improperly handles URLs. An attacker who successfully\n exploited this vulnerability could trick a user by\n redirecting the user to a specially crafted website. The\n specially crafted website could either spoof content or\n serve as a pivot to chain an attack with other\n vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists when the\n Diagnostics Hub Standard Collector or the Visual Studio\n Standard Collector allows file deletion in arbitrary\n locations. (CVE-2019-0727)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Windows when a man-in-the-middle attacker is\n able to successfully decode and replace authentication\n request using Kerberos, allowing an attacker to be\n validated as an Administrator. The update addresses this\n vulnerability by changing how these requests are\n validated. (CVE-2019-0734)\n\n - A remote code execution vulnerability exists when\n Microsoft Windows OLE fails to properly validate user\n input. An attacker could exploit the vulnerability to\n execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way\n the scripting engine handles objects in memory in\n Microsoft browsers. The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the\n way Windows Error Reporting (WER) handles files. An\n attacker who successfully exploited this vulnerability\n could run arbitrary code in kernel mode. An attacker\n could then install programs; view, change, or delete\n data; or create new accounts with administrator\n privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when\n Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability\n could obtain information to further compromise the users\n system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET\n Framework and .NET Core improperly process RegEx\n strings. An attacker who successfully exploited this\n vulnerability could cause a denial of service against a\n .NET application. A remote unauthenticated attacker\n could exploit this vulnerability by issuing specially\n crafted requests to a .NET Framework (or .NET core)\n application. The update addresses the vulnerability by\n correcting how .NET Framework and .NET Core applications\n handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Windows when Windows fails to properly handle\n certain symbolic links. An attacker who successfully\n exploited this vulnerability could potentially set\n certain items to run at a higher level and thereby\n elevate permissions. (CVE-2019-0936)\n\n - A memory corruption vulnerability exists in the Windows\n Server DHCP service when processing specially crafted\n packets. An attacker who successfully exploited the\n vulnerability could run arbitrary code on the DHCP\n server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET\n Framework improperly handles objects in heap memory. An\n attacker who successfully exploited this vulnerability\n could cause a denial of service against a .NET\n application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Edge that could allow an attacker to escape\n from the AppContainer sandbox in the browser. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges and break out of the Edge\n AppContainer sandbox. The vulnerability by itself does\n not allow arbitrary code to run. However, this\n vulnerability could be used in conjunction with one or\n more vulnerabilities (for example a remote code\n execution vulnerability and another elevation of\n privilege vulnerability) to take advantage of the\n elevated privileges when running. The security update\n addresses the vulnerability by modifying how Microsoft\n Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the\n Network Driver Interface Specification (NDIS) when\n ndis.sys fails to check the length of a buffer prior to\n copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET\n Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this\n vulnerability could cause a denial of service against a\n .NET Framework or .NET Core web application. The\n vulnerability can be exploited remotely, without\n authentication. A remote unauthenticated attacker could\n exploit this vulnerability by issuing specially crafted\n requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how\n .NET Framework or .NET Core web applications handles web\n requests. 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{"nessus": [{"lastseen": "2022-02-28T13:14:45", "description": "The remote Windows host is missing security update 4499181.\nIt is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way.\n (CVE-2019-0995)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933)\n\n - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system.\n (CVE-2019-0931)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. 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(CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET\n Framework and .NET Core improperly process RegEx\n strings. An attacker who successfully exploited this\n vulnerability could cause a denial of service against a\n .NET application. A remote unauthenticated attacker\n could exploit this vulnerability by issuing specially\n crafted requests to a .NET Framework (or .NET core)\n application. The update addresses the vulnerability by\n correcting how .NET Framework and .NET Core applications\n handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Windows when Windows fails to properly handle\n certain symbolic links. An attacker who successfully\n exploited this vulnerability could potentially set\n certain items to run at a higher level and thereby\n elevate permissions. (CVE-2019-0936)\n\n - An elevation of privilege vulnerability exists when the\n Storage Service improperly handles file operations. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges on the victim system.\n (CVE-2019-0931)\n\n - A denial of service vulnerability exists when .NET\n Framework improperly handles objects in heap memory. An\n attacker who successfully exploited this vulnerability\n could cause a denial of service against a .NET\n application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. 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(CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0924)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. 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The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way.\n (CVE-2019-0995)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory.\n The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0926)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0929)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs;\n view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0892)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933, CVE-2019-0937)\n\n - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system.\n (CVE-2019-0931)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. 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(CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way\n the scripting engine handles objects in memory in\n Microsoft browsers. The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the\n way Windows Error Reporting (WER) handles files. An\n attacker who successfully exploited this vulnerability\n could run arbitrary code in kernel mode. An attacker\n could then install programs; view, change, or delete\n data; or create new accounts with administrator\n privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when\n Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability\n could obtain information to further compromise the users\n system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET\n Framework and .NET Core improperly process RegEx\n strings. An attacker who successfully exploited this\n vulnerability could cause a denial of service against a\n .NET application. A remote unauthenticated attacker\n could exploit this vulnerability by issuing specially\n crafted requests to a .NET Framework (or .NET core)\n application. The update addresses the vulnerability by\n correcting how .NET Framework and .NET Core applications\n handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Windows when Windows fails to properly handle\n certain symbolic links. An attacker who successfully\n exploited this vulnerability could potentially set\n certain items to run at a higher level and thereby\n elevate permissions. (CVE-2019-0936)\n\n - An elevation of privilege vulnerability exists when the\n Storage Service improperly handles file operations. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges on the victim system.\n (CVE-2019-0931)\n\n - A memory corruption vulnerability exists in the Windows\n Server DHCP service when processing specially crafted\n packets. An attacker who successfully exploited the\n vulnerability could run arbitrary code on the DHCP\n server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET\n Framework improperly handles objects in heap memory. An\n attacker who successfully exploited this vulnerability\n could cause a denial of service against a .NET\n application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Edge that could allow an attacker to escape\n from the AppContainer sandbox in the browser. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges and break out of the Edge\n AppContainer sandbox. The vulnerability by itself does\n not allow arbitrary code to run. However, this\n vulnerability could be used in conjunction with one or\n more vulnerabilities (for example a remote code\n execution vulnerability and another elevation of\n privilege vulnerability) to take advantage of the\n elevated privileges when running. The security update\n addresses the vulnerability by modifying how Microsoft\n Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the\n Network Driver Interface Specification (NDIS) when\n ndis.sys fails to check the length of a buffer prior to\n copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET\n Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this\n vulnerability could cause a denial of service against a\n .NET Framework or .NET Core web application. The\n vulnerability can be exploited remotely, without\n authentication. A remote unauthenticated attacker could\n exploit this vulnerability by issuing specially crafted\n requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how\n .NET Framework or .NET Core web applications handles web\n requests. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. 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In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way.\n (CVE-2019-0995)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933)\n\n - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - A remote code execution vulnerability exists in Remote Desktop Services formerly known as Terminal Services when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests.\n This vulnerability is pre-authentication and requires no user interaction. An attacker who successfully exploited this vulnerability could execute arbitrary code on the target system. An attacker could then install programs;\n view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0708)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. 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(CVE-2019-0734)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. 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There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory.\n An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. 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It is, therefore, affected by multiple vulnerabilities :\n\n - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows.\n An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130)\n\n - An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs;\n view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0892)\n\n - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881)\n\n - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936)\n\n - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system.\n (CVE-2019-0931)\n\n - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885)\n\n - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903)\n\n - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725)\n\n - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886)\n\n - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.\n (CVE-2019-0942)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961)\n\n - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707)\n\n - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733)\n\n - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863)\n\n - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests.\n An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application.\n The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)\n\n - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902)\n\n - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. 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Fill buffers are used internally to manage L1 miss situations and to hold data which is returned or sent in response to a memory or I/O operation. Fill buffers can forward data to a load operation and also write data to the cache. When the fill buffer is deallocated it can retain the stale data of the preceding operations which can then be forwarded to a faulting or assisting load operation, which can cause an issue under certain conditions. Fill buffers are shared between Hyper-Threads so cross thread leakage is possible. (MFBDS/RIDL/ZombieLoad) (CVE-2018-12130)\n\n - MDSUM is a special case of MSBDS, MFBDS and MLPDS. An uncacheable load from memory that takes a fault or assist can leave data in a microarchitectural structure that may later be observed using one of the same methods used by MSBDS, MFBDS or MLPDS. 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KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

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