Microsoft

Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability

CVE-2026-85821 Oct 13, 2026 Source: Vendor

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85821

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CVE-2026-85821 BR2026-0003-023516 unclaimed

Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability

Credited as R4nger with Kunlun Lab & Zhiniang Peng with HUST