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CISA confirms BlueHammer (CVE-2026-33825) is now used in ransomware attacks to gain SYSTEM privileges through Microsoft Defender. BlueHammer, tracked as CVE-2026-33825, has moved from proof-of-concept noise to real ransomware attacks in the wild, the US CISA confirms. BlueHammer allows attackers to escalate privileges locally in Microsoft Defender. The vulnerability, along with two other zero-days dubbed […]

More from Security Affairs 1 Jul 2026, 11:26 p.m. Incident · 2 stories Actively exploited CVE-2026-33825 Antivirus CISA CVE Flaw Microsoft PoC Ransomware Vulnerability Warning

Roses are red, violets are blue, CVE-2024-53704 is perfect for a ransomware crew Miscreants are actively abusing a high-severity authentication bypass bug in unpatched internet-facing SonicWall firewalls following the public release of proof-of-concept exploit code.…

More from The Register 15 Feb 2025, 11:53 a.m. Actively exploited CVE-2024-53704 Authentication Bypass CVE Exploit Firewalls Patch PoC Ransomware VPN