Medium severity5.5NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-97790

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.

Affected products

Microsoft/Windows Container Isolation FS Filter Driverllm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97790nvd

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000