CVE-2026-72971 — Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability

Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering l…

Published: 2026-08-11 · CVSS: 5.5 · CVSS 3.1

Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7