PT-2021-1546

Name of the Vulnerable Software and Affected Versions Microsoft Defender versions prior to the fixed version Description The issue is related to insufficient input validation in the mpengine.dll library of Microsoft Defender, allowing a remote attacker to execute arbitrary code using a specially...

CVE-2021-1647 Microsoft Windows Defender Zero-Day Vulnerability

Microsoft Defender Remote Code Execution Vulnerability Recent assessments: cdelafuente-r7 at January 13, 2021 3:55pm UTC reported: No useful information has been published so far and most of the speculations found online are based on the CVSS 3.0 metrics found in the advisory. That said, the atta...

Microsoft Defender 输入验证错误漏洞

Microsoft Defender is a threat protection software from Microsoft USA. Microsoft Defender suffers from a remote code execution vulnerability. No detailed vulnerability details are provided at this time...

Remove specific prevalent malware with Windows Malicious Software Removal Tool (KB890830)

Remove specific prevalent malware with Windows Malicious Software Removal Tool KB890830 Summary The Windows Malicious Software Removal Tool MSRT helps remove malicious software from computers that are running any of the following operating systems: Windows 11 Windows Server 2022 Windows 10 Window...

Security Update for Windows Defender (January 2021)

The Malware Protection Engine version of Microsoft Windows Defender installed on the remote Windows host is prior to 1.1.17600.5. It is, therefore, affected by an unspecified remote code execution vulnerability. An authenticated, local attacker can exploit this to bypass authentication and execut...

Using Microsoft 365 Defender to protect against Solorigate

Microsoft security researchers continue to investigate and respond to the sophisticated cyberattack known as Solorigate also referred to as Sunburst by FireEye involving a supply chain compromise and the subsequent compromise of cloud assets. While the related investigations and impact assessment...

Using Microsoft 365 Defender to protect against Solorigate

Microsoft security researchers continue to investigate and respond to the sophisticated cyberattack known as Solorigate also referred to as Sunburst by FireEye involving a supply chain compromise and the subsequent compromise of cloud assets. While the related investigations and impact assessment...

Advice for incident responders on recovery from systemic identity compromises

As Microsoft alongside our industry partners and the security community continues to investigate the extent of the Solorigate attack, our goal is to provide the latest threat intelligence including IOCs and guidance across our products and solutions to help the community fight back against, harde...

Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers

We, along with the security industry and our partners, continue to investigate the extent of the Solorigate attack. While investigations are underway, we want to provide the defender community with intelligence to understand the scope, impact, remediation guidance, and product detections and...

Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers

We, along with the security industry and our partners, continue to investigate the extent of the Solorigate attack. While investigations are underway, we want to provide the defender community with intelligence to understand the scope, impact, remediation guidance, and product detections and...

New cloud-native breadth threat protection capabilities in Azure Defender

As the world adapts to working remotely, the threat landscape is constantly evolving, and security teams struggle to protect workloads with multiple solutions that are often not well integrated nor comprehensive enough. This results in serious threats avoiding detection, as well as security teams...

New cloud-native breadth threat protection capabilities in Azure Defender

As the world adapts to working remotely, the threat landscape is constantly evolving, and security teams struggle to protect workloads with multiple solutions that are often not well integrated nor comprehensive enough. This results in serious threats avoiding detection, as well as security teams...

Widespread malware campaign seeks to silently inject ads into search results, affects multiple browsers

A persistent malware campaign has been actively distributing an evolved browser modifier malware at scale since at least May 2020. At its peak in August, the threat was observed on over 30,000 devices every day. The malware is designed to inject ads into search engine results pages. The threat...

Widespread malware campaign seeks to silently inject ads into search results, affects multiple browsers

A persistent malware campaign has been actively distributing an evolved browser modifier malware at scale since at least May 2020. At its peak in August, the threat was observed on over 30,000 devices every day. The malware is designed to inject ads into search engine results pages. The threat...

EDR in block mode stops IcedID cold

We are happy to announce the general availability of endpoint detection and response EDR in block mode in Microsoft Defender for Endpoint. EDR in block mode turns EDR detections into real-time blocking of malicious behaviors, malware, and artifacts. It uses Microsoft Defender for Endpoint’s...

EDR in block mode stops IcedID cold

We are happy to announce the general availability of endpoint detection and response EDR in block mode in Microsoft Defender for Endpoint. EDR in block mode turns EDR detections into real-time blocking of malicious behaviors, malware, and artifacts. It uses Microsoft Defender for Endpoint’s...

CVE-2020-7337

Incorrect Permission Assignment for Critical Resource vulnerability in McAfee VirusScan Enterprise VSE prior to 8.8 Patch 16 allows local administrators to bypass local security protection through VSE not correctly integrating with Windows Defender Application Control via careful manipulation of...

Design/Logic Flaw

Incorrect Permission Assignment for Critical Resource vulnerability in McAfee VirusScan Enterprise VSE prior to 8.8 Patch 16 allows local administrators to bypass local security protection through VSE not correctly integrating with Windows Defender Application Control via careful manipulation of...

CVE-2020-7337 Incorrect Permission Assignment for Critical Resource

Incorrect Permission Assignment for Critical Resource vulnerability in McAfee VirusScan Enterprise VSE prior to 8.8 Patch 16 allows local administrators to bypass local security protection through VSE not correctly integrating with Windows Defender Application Control via careful manipulation of...

CVE-2020-7337

CVE-2020-7337 affects McAfee VirusScan Enterprise (VSE) prior to 8.8 Patch 16, where an incorrect permission assignment for a critical resource enables local administrators to bypass local security protections by manipulating Code Integrity checks tied to Windows Defender Application Control. The...