Microsoft’s security advisory for CVE-2025-53809 warns that improper input validation in the Windows Local Security Authority Subsystem Service (LSASS) can be abused by an authorized attacker to cause a denial of service (DoS) over a network, putting authentication services and domain...
Microsoft’s advisory for CVE-2025-54895 warns that an integer overflow or wraparound in the SPNEGO Extended Negotiation (NEGOEX) security mechanism can be triggered by an authorized local actor to elevate privileges, turning a legitimate local account into a pathway to SYSTEM-level control if...
SafeBreach Labs’ disclosure of four newly discovered Windows denial-of-service (DoS) flaws — and the novel “Win‑DDoS” technique they describe for turning exposed domain controllers into DDoS amplifiers — forces a hard look at how organizations harden their identity plane, patch critical servers...
Ladies and gentlemen of WindowsForum.com, buckle up because we’ve got a potentially show-stopping issue to unpack today. Recently disclosed in Microsoft’s Security Update Guide, CVE-2025-21295 hones in on a vulnerability with SPNEGO Extended Negotiation (NEGOEX), a part of Windows’...