Firetruck

CVE-2021-1732

KEV · Ransomware
Updated Aug 12, 2026 · PUBLISHED
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Description

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Windows 10 Version 1803Microsoft / Windows 10 Version 1803>= 10.0.0, < publicationaffected
Windows 10 Version 1809Microsoft / Windows 10 Version 1809>= 10.0.0, < publicationaffected
Windows 10 Version 1909Microsoft / Windows 10 Version 1909>= 10.0.0, < publicationaffected
Windows 10 Version 2004Microsoft / Windows 10 Version 2004>= 10.0.0, < publicationaffected
Windows 10 Version 20H2Microsoft / Windows 10 Version 20H2>= 10.0.0, < publicationaffected
Windows Server 2019Microsoft / Windows Server 2019>= 10.0.0, < publicationaffected
Windows Server 2019 (Server Core installation)Microsoft / Windows Server 2019 (Server Core installation)>= 10.0.0, < publicationaffected
Windows Server, version 1909 (Server Core installation)Microsoft / Windows Server, version 1909 (Server Core installation)>= 10.0.0, < publicationaffected
Windows Server version 2004Microsoft / Windows Server version 2004>= 10.0.0, < publicationaffected
Windows Server version 20H2Microsoft / Windows Server version 20H2>= 10.0.0, < publicationaffected