Windows Container Isolation FS Filter Driver

Critical CVEs

CVE-2026-72971: Windows Container Isolation FS Filter Driver Tampering Vulnerability

CVE-2026-72971 is a publicly disclosed tampering vulnerability in the Windows Container Isolation FS Filter Driver (unionfs.sys). It has a CVSS score of…

CVE-2026-72971 tampering unionfs.sys Windows Container Isolation FS Filter Driver

August 12, 2026