Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...
Cybernews

Disgruntled hacker drops second zero-day Windows Defender exploit just hours after Microsoft patches first one

A disgruntled researcher released a second zero-day Windows Defender exploit, dubbed RedSun, shortly after Microsoft patched ...

Recently leaked Windows zero-days now exploited in attacks

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

Hackers are abusing unpatched Windows security flaws to hack into organizations

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...

Unpatched Microsoft Defender flaw lets hackers gain admin access

A security vulnerability was recently discovered in Microsoft Defender, the first-party Windows 11 antivirus tool used by ...
Windows Report

RedSun Exploit Hits Microsoft Defender Zero-Day, Grants SYSTEM Access

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...
CSO Online

Another Microsoft Defender privilege escalation bug emerges days after patch

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...

Microsoft's Security Response Center is being blamed for the zero-day BlueHammer exploit leak

A zero-day BlueHammer exploit was recently published on GitHub in response to alleged MSRC failures, and although Microsoft ...

Unpatched Windows zero-days RedSun, UnDefend, and BlueHammer are being attacked

The zero-day vulnerabilities in Windows Defender named BlueHammer, RedSun, and UnDefend are apparently being attacked.

Angry Hacker Drops Microsoft Zero-Day Exploit, 1 Billion Users Warned

A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

From the BlueHammer author: New Windows zero-day grants admin rights

The exploit uses an insecure behavior of Windows Defender and a file API to secure system rights. It is still unpatched.
Bleeping Computer

Windows 11 22H2 adds kernel exploit protection to security baseline

Microsoft has released the final version of security configuration baseline settings for Windows 11, version 22H2, downloadable today using the Microsoft Security Compliance Toolkit. "This release ...