> CISA orders feds to patch BlueHammer flaw exploited as zero-day
[AUTHOR: Sergiu Gatlan]
[DATE: 23/04/2026 11:05]
[LANGUAGE: EN]
CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks. [...]