Microsoft Security Response Center Blog Alerts

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

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.

Exposure of sensitive information to an unauthorized actor in Power Automate allows an unauthorized attacker to elevate privileges over a network.

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/202[SS9.1]5) for more information. Google is aware that an exploit for CVE-2025-5419 exists in the wild.