Microsoft Windows Multiple Vulnerabilities (KB4457131)

This host is missing a critical security update according to Microsoft KB4457131 SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Windows Multiple Vulnerabilities (KB4457144)

This host is missing a critical security update according to Microsoft KB4457144. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Windows Multiple Vulnerabilities (KB4457128)

This host is missing a critical security update according to Microsoft KB4457128 SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Patches Actively Exploited Bug as Part of Patch Tuesday

UPDATE Microsoft has patched an elevation-of-privilege vulnerability it said is actively being exploited by hackers. The fix was part of Microsoft’s scheduled September Patch Tuesday release, which also included fixes for two other bugs found being used in the wild, including the zero-day found i...

September 2018 Patch Tuesday – 61 Vulns, FragmentSmack, Hyper-V Escape

In this month’s Patch Tuesday release there are 61 vulnerabilities patched with 17 Criticals. Out of the criticals, most are browser-related, with the rest including Windows, Hyper-V, and .net Framework. A vulnerability CVE-2018-8475 in Windows' image parsing has been publicly disclosed, in...

Microsoft Issues Software Updates for 17 Critical Vulnerabilities

Times to gear up your systems and software. Just a few minutes ago Microsoft released its latest monthly Patch Tuesday update for September 2018, patching a total of 61 security vulnerabilities, 17 of which are rated as critical, 43 are rated Important, and one Moderate in severity. This month's...

Microsoft Patch Tuesday - September 2018

Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity. Th...

Windows Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Windows Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Windows Hyper-V Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source. To exploit this vulnerability, an attacker would need to reboot a guest virtual machine numerous times until the vulnerability is triggered. The security update addresses the...

Windows Hyper-V Information Disclosure Vulnerability

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. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application...

September 11, 2018—KB4457140 (Security-only update)

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September 11, 2018—KB4457144 (Monthly Rollup)

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September 11, 2018—KB4457135 (Monthly Rollup)

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Microsoft Windows Hyper-V CVE-2018-8435 Security Bypass Vulnerability

Description Microsoft Windows is prone to a security-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching further attacks. Technologies Affected Microsoft Hyper-V Microsoft Windows 10 Version...

PT-2018-1646

Name of the Vulnerable Software and Affected Versions Windows Server 2016 Windows 10 Windows 10 Servers Description A security feature bypass issue exists due to the Windows Hyper-V BIOS loader's failure to provide a high-entropy source. This allows a remote attacker to bypass built-in security...

PT-2018-1537

Name of the Vulnerable Software and Affected Versions Windows Hyper-V versions prior to the fixed version Windows Server 2016 Windows 10 Windows 10 Servers Description The issue is related to insufficient input validation in the Microsoft Hyper-V hardware virtualization system for Windows operati...

PT-2018-1648

Name of the Vulnerable Software and Affected Versions Microsoft Hyper-V affected versions not specified Description The issue is caused by insufficient input validation in the network switch of Microsoft Hyper-V on Windows operating systems. It may allow an attacker to cause a denial-of-service o...