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CVE PROGRAM SOURCE RECORD7.4 High

CVE-2026-20844

Windows Clipboard Server Elevation of Privilege Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 1607

  • 10.0.14393.0 to < 10.0.14393.8783affected

Microsoft Windows 10 Version 1809

  • 10.0.17763.0 to < 10.0.17763.8276affected

Microsoft Windows 10 Version 21H2

  • 10.0.19044.0 to < 10.0.19044.6809affected

Microsoft Windows 10 Version 22H2

  • 10.0.19045.0 to < 10.0.19045.6809affected

Microsoft Windows 11 version 23H2

  • 10.0.22631.0 to < 10.0.22631.6491affected

Microsoft Windows 11 Version 23H2

  • 10.0.22631.0 to < 10.0.22631.6491affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.7623affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.7623affected

Microsoft Windows Server 2016

  • 10.0.14393.0 to < 10.0.14393.8783affected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.14393.0 to < 10.0.14393.8783affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.8276affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.8276affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.4648affected

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

  • 10.0.25398.0 to < 10.0.25398.2092affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.32230affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.32230affected

References