VULNERABILITY INTELLIGENCE
CVE-2026-72971
CVSS score5.5 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-08-11
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Description
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.
Weakness classification
- secure@microsoft.com: CWE-59
Primary references
- secure@microsoft.com — Vendor Advisory, Patch