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CVE-2025-24983

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

  • High 7.0
  • Exploited: added to CISA KEV 11 Mar 2025

Description

Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

Key facts

Published
11 Mar 2025
Last changed
26 Feb 2026
Assigned by
microsoft
KEV added
11 Mar 2025
KEV fix due
1 Apr 2025
EPSS
1.87% likely to be exploited in the next 30 days, higher than 79.689% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.0CVSS 3.1, Highfrom the CNA (microsoft)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

What to do

  • Apply 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 required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 1507
  • 10.0.10240.0 up to but excluding 10.0.10240.20947 (affected)
MicrosoftWindows 10 Version 1607
  • 10.0.14393.0 up to but excluding 10.0.14393.7876 (affected)
MicrosoftWindows Server 2008 R2 Service Pack 1
  • 6.1.7601.0 up to but excluding 6.1.7601.27618 (affected)
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)
  • 6.1.7601.0 up to but excluding 6.1.7601.27618 (affected)
MicrosoftWindows Server 2008 Service Pack 2
  • 6.0.6003.0 up to but excluding 6.0.6003.23168 (affected)
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)
  • 6.0.6003.0 up to but excluding 6.0.6003.23168 (affected)
MicrosoftWindows Server 2012
  • 6.2.9200.0 up to but excluding 6.2.9200.25368 (affected)
MicrosoftWindows Server 2012 (Server Core installation)
  • 6.2.9200.0 up to but excluding 6.2.9200.25368 (affected)
MicrosoftWindows Server 2012 R2
  • 6.3.9600.0 up to but excluding 6.3.9600.22470 (affected)
MicrosoftWindows Server 2012 R2 (Server Core installation)
  • 6.3.9600.0 up to but excluding 6.3.9600.22470 (affected)
MicrosoftWindows Server 2016
  • 10.0.14393.0 up to but excluding 10.0.14393.7876 (affected)
MicrosoftWindows Server 2016 (Server Core installation)
  • 10.0.14393.0 up to but excluding 10.0.14393.7876 (affected)

Timeline

  1. 11 Mar 2025 CVE-2025-24983 added to CISA KEV
  2. 11 Mar 2025 Added to the CISA KEV catalogue
  3. 11 Mar 2025 Published

Weakness

References