Is CVE-2026-72971 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-72971?

CVE-2026-72971 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-72971

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.