Firetruck

CVE-2026-21519

KEV
Updated Aug 19, 2026 · PUBLISHED
View KEV entry →

Description

Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Windows 10 Version 1607Microsoft / Windows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.8868affected
Windows 10 Version 1809Microsoft / Windows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.8389affected
Windows 10 Version 21H2Microsoft / Windows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.6937affected
Windows 10 Version 22H2Microsoft / Windows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.6937affected
Windows 11 version 22H3Microsoft / Windows 11 version 22H3>= 10.0.22631.0, < 10.0.22631.6649affected
Windows 11 Version 23H2Microsoft / Windows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.6649affected
Windows 11 Version 24H2Microsoft / Windows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.7840affected
Windows 11 Version 25H2Microsoft / Windows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.7840affected
Windows 11 version 26H1Microsoft / Windows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.1575affected
Windows 11 Version 26H1Microsoft / Windows 11 Version 26H1>= 10.0.28000.0, < 10.0.28000.1575affected
Windows Server 2016Microsoft / Windows Server 2016>= 10.0.14393.0, < 10.0.14393.8868affected
Windows Server 2016 (Server Core installation)Microsoft / Windows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.8868affected
Windows Server 2019Microsoft / Windows Server 2019>= 10.0.17763.0, < 10.0.17763.8389affected
Windows Server 2019 (Server Core installation)Microsoft / Windows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.8389affected
Windows Server 2022Microsoft / Windows Server 2022>= 10.0.20348.0, < 10.0.20348.4773affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.2149affected
Windows Server 2025Microsoft / Windows Server 2025>= 10.0.26100.0, < 10.0.26100.32370affected
Windows Server 2025 (Server Core installation)Microsoft / Windows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.32370affected