Vulnerability · NVD
CVE-2026-72971
HIGH 5.5
Vendor bulletin scale — NVD CVSS pending
Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows 11 26H1 · 2026-H1 Fixed in 10.0.28000.2704