CVE-2019-1255

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

Denial of service

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

CVE-2019-1255

Microsoft Malware Protection Engine Elevation of Privilege (CVE-2019-1255) exists due to improper file handling. An authenticated, remote attacker can exploit this to gain elevated privileges. Affected component: Defender/Malware Protection Engine. Impact: elevation of privilege; exploitation des...

CVE-2019-1255

A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'...

Microsoft Defender Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when Microsoft Defender improperly handles files. An attacker could exploit the vulnerability to overwrite the discretionary access control list DACL for a file. To exploit the vulnerability, an attacker would first require execution on the victim...

Microsoft Silent Update Torpedoes Windows Defender

A broken Microsoft Windows Defender signature file that was causing system file checks to fail got a patch this week – but the patch caused an even bigger issue, making Defender user-triggered antivirus scans fail altogether. The issue was in place for about a day before Microsoft re-patched the...

Node.js third-party modules: Trojan:JS/CoinMiner in npm files

Hello, I am a front end developer and use Vue.js and Visual Studio Code and have had an issue recently with scripts not running in my terminal so decided to fault find. All programmes that I can think of are up to date, and today I decided to do a full windows defender scan and found the above...

Deep learning rises: New methods for detecting malicious PowerShell

Scientific and technological advancements in deep learning, a category of algorithms within the larger framework of machine learning, provide new opportunities for development of state-of-the art protection technologies. Deep learning methods are impressively outperforming traditional methods on...

One Identity Defender 5.9.3 Insecure Cryptographic Storage

Title: One Identity Defender - Insecure Cryptographic Storage Date: 01 September 2019 Affected Software: ================== One Identity Defender 5.9.3 Other versions are likely also vulnerable. Insecure Cryptographic Storage: ============================== Defender stores token seeds, PAP secret...

Improve security and simplify operations with Windows Defender Antivirus + Morphisec

My team at Morphisec a Microsoft Intelligent Security Association MISA partner often talks with security professionals who are well-informed about the latest cyberthreats and have a longterm security strategy. The problem many of them face is how to create a stronger endpoint stack with limited...

The vulnerability of the MpSigStub.exe executable of Microsoft’s security tool (Windows Defender) allows a hacker to delete files in certain parts of the file system.

The vulnerability of the MpSigStub.exe executable file of Microsoft’s Windows Defender is related to privilege management errors. Exploiting this vulnerability could allow a malicious actor to delete files in certain parts of the file system remotely...

Gartner names Microsoft a Leader in 2019 Endpoint Protection Platforms Magic Quadrant

Our mission as a company is to empower every person on the planet to achieve more. We deliver on that mission through products that achieve the highest marks in the industry, which we believe is inclusive of Gartner’s Magic Quadrant. We have been on a journey for the last several years working ha...

Multiple Microsoft Products Permission License and Access Control Issues Vulnerabilities

Microsoft Forefront Endpoint Protection is a set of endpoint security software. Microsoft Security Essentials is a set of free antivirus software that comes with Windows. Microsoft Windows Defender is a set of antivirus software that comes with Windows. The vulnerability exists in a number of...

August 16, 2019—KB4512494 (OS Build 16299.1365)

August 16, 2019—KB4512494 OS Build 16299.1365 Reminder: March 12 and April 9 were the last two Delta updates for Windows 10, version 1709. Security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change please vis...

CB TAU Threat Intelligence Notification: Trickbot Banking Trojan Continues to Evolve

There has been various coverage recently regarding newly identified Trickbot samples found in the wild. A recent sample identified by TAU includes additional techniques that leverage LOLBin's, which are used by Trickbot to enumerate the network environment, and additionally perform a dump of the...

Microsoft Defender Elevation of Privilege Vulnerability (CVE-2019-1161)

The version of Microsoft Malware Protection Signature Update Stub MpSigStub.exe installed on the remote Windows host is prior to 1.1.16200.1. It is, therefore, affected by a elevation of privilege vulnerability which could allow an attacker who successfully exploited this vulnerability to elevate...

CVE-2019-1161

An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted command that could exploit the...

CVE-2019-1161

An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted command that could exploit the...

CVE-2019-1161 Microsoft Defender Elevation of Privilege Vulnerability

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CVE-2019-1161

Summary: CVE-2019-1161 is a privilege-escalation flaw in Microsoft Defender’s MpSigStub.exe that can enable an attacker to delete protected files at arbitrary locations. What is affected: Defender-related components using MpSigStub.exe (e.g., Windows Defender/Forefront Endpoint Protection suites)...