All CosmicBytez Labs articles tagged #Windows Defender, across news, security advisories, how-to guides, and projects.
Researcher 'Nightmare-Eclipse' published a proof-of-concept exploit for a Windows Defender vulnerability in early June after dropping several other...
Microsoft has confirmed it is developing a security patch for the RoguePlanet zero-day vulnerability in Windows Defender, disclosed publicly last week,...
Microsoft has disclosed two Windows Defender vulnerabilities under active exploitation in the wild, including CVE-2026-41091 — a privilege escalation flaw...
Microsoft has issued emergency patches for two Windows Defender vulnerabilities that were actively exploited as zero-days before fixes were available....
Huntress is warning that threat actors are actively exploiting three privilege escalation vulnerabilities in Microsoft Defender — codenamed BlueHammer,...