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Security releases

Microsoft

Windows Partition Management Driver Elevation of Privilege Vulnerability

CVE-2026-103553 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-2026-103553
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Credited

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All 1 CVEs 1 Additional recognition 0 Unclaimed only
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CVE-2026-103553 BR2026-0003-040713 unclaimed
Windows Partition Management Driver Elevation of Privilege Vulnerability
Credited as Thanatos Tian (HKPolyU) & wgg