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Medium severity5.5NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026

CVE-2026-62775

CVE-2026-62775

Description

Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

Affected products

1

Microsoft/Windows Container Isolation FS Filter Driverllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62775nvd

News mentions

1

Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-Days
Cyber Security News · Aug 11, 2026