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CVE-2025-24983

Microsoft Windows Win32k Use-After-Free Vulnerability

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
7.0High
ExploitationExploited in the wildAdded to KEV 11 Mar 2025CISA KEV
Exploit odds (EPSS)1.38%Chance of exploitation activity in the next 30 days, higher than 71% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.10240.20947Also 10.0.14393.7876, 6.1.7601.27618 and 3 moreCVE List
Federal deadline1 Apr 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

  • 10.0.10240.20947Windows 10 Version 1507CVE List
  • 10.0.14393.7876Windows 10 Version 1607CVE List
  • 6.1.7601.27618Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.27618Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.0.6003.23168Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.23168Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
Show all 12 fixed versions
  • 6.2.9200.25368Windows Server 2012CVE List
  • 6.2.9200.25368Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.22470Windows Server 2012 R2CVE List
  • 6.3.9600.22470Windows Server 2012 R2 (Server Core installation)CVE List
  • 10.0.14393.7876Windows Server 2016CVE List
  • 10.0.14393.7876Windows Server 2016 (Server Core installation)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 11 Mar 2025Added to CISA KEVCISA KEV
  2. 11 Mar 2025, 16:59 UTCPublishedCVE List

Description

Microsoft Windows Win32 Kernel Subsystem contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Text from CVE List

Affected versions 12

  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.20947CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.7876CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.27618CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.27618CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.23168CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.23168CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.25368CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.25368CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.22470CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.22470CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.7876CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.7876CVE List

References 4