Microsoft Security Response Center Blog Alerts

CVE-2025-33056 Windows Local Security Authority (LSA) Denial of Service Vulnerability

Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.

Improper link resolution before file access (‘link following’) in Windows Installer allows an authorized attacker to elevate privileges locally.

Integer overflow or wraparound in Windows SMB allows an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

Improper privilege management in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

Out-of-bounds read in Windows Media allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

External control of file name or path in WebDAV allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.