Security · 1h ago
Windows Defender 'BlueHammer' bug exploited in active malware campaigns
CISA warns that the 'BlueHammer' vulnerability in Windows Defender is now being exploited in malware attacks, despite a patch released on April 14. The flaw allows attackers to bypass security scans, highlighting ongoing risks from unpatched systems. Organizations are urged to apply the update immediately to prevent compromise.
Meridian48 take
The active exploitation of a month-old patchable flaw underscores the persistent gap between patch availability and deployment in enterprise environments.
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Windows Defender 'BlueHammer' vulnerability now exploited as part of malware campaigns — CISA issues warning despite patch release on April 14 →
Tom's Hardware
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