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OpenAdvisories
High · 7.8 CVE-2026-24290 EUVD-2026-10612GHSA-qm68-h277-7j8c

Windows Projected File System Elevation of Privilege Vulnerability

Published Mar 10, 2026 · Updated Jun 19, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1809 Product: Windows 10 Version 21H2 Product: Windows 10 Version 22H2 Product: Windows 11 version 22H3 Product: Windows 11 version 23H2 Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows 11 version 26H1 Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server 2022 Product: Windows Server 2022, 23H2 Edition (Server Core installation) Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Improper access control in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.8511 10.0.17763.8511
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.7058 10.0.19044.7058
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.7058 10.0.19045.7058
Microsoft Windows 11 version 22H3 10.0.22631.0 – < 10.0.22631.6783 10.0.22631.6783
Microsoft Windows 11 Version 23H2 10.0.22631.0 – < 10.0.22631.6783 10.0.22631.6783
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.8037 10.0.26100.8037
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.8037 10.0.26200.8037
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.1719 10.0.28000.1719
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.8511 10.0.17763.8511
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.8511 10.0.17763.8511
Microsoft Windows Server 2022 10.0.20348.0 – < 10.0.20348.4893 10.0.20348.4893
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – < 10.0.25398.2207 10.0.25398.2207
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.32522 10.0.26100.32522
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.32522 10.0.26100.32522

Advisories 3

References