Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...
Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...
Threat actors have been exploiting the BlueHammer Microsoft Defender vulnerability as a zero-day to gain System privileges.
Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...
Morning Overview on MSN
Microsoft says Windows 11’s built-in Defender is enough for many users
Microsoft wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and ...
A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...
A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...
New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...
Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...
To address this, Microsoft has invested significant effort into Microsoft Defender (formerly Windows Defender), the antivirus ...
Microsoft this week released one of the largest Patch Tuesday bundles in its history, delivering fixes for 163 new Microsoft CVEs in a month that includes three zero-days and eight Critical-rated ...
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