WebDAV Elevation of Privilege Vulnerability

Summary

Improper resolution of path equivalence in WebDAV allows an authorized attacker to elevate privileges over a network.

Remediation

1. Inventory every Microsoft Windows 10 Version 1607 deployment, including staging.
2. Upgrade Microsoft Windows 10 Version 1607 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-2026-102217