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.
CISA has given U.S. government agencies two weeks to secure their Windows systems against a Microsoft Defender privilege escalation vulnerability that has been exploited in zero-day attacks.
Tracked as CVE-2026-33825, this high-severity security flaw... [2007 chars]