Windows Storage Elevation of Privilege Vulnerability

Summary

Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.

Remediation

1. Inventory every Microsoft Windows 11 version 23H2 deployment, including staging.
2. Upgrade Microsoft Windows 11 version 23H2 to the fixed version for your release line, listed under Affected versions.
3. Confirm the running version after the upgrade.

References

• Patchhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102189