CVE-2026-72971

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2704affected

Weaknesses

  • CWE-59: CWE-59: Improper Link Resolution Before File Access ('Link Following')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References