CVEvulnerability
CVE-2025-24983
CISA Known Exploited Vulnerability
Microsoft Windows Win32k Use-After-Free Vulnerability — Microsoft Windows
Microsoft Windows Win32 Kernel Subsystem contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
- Added to KEV
- 2025-03-11
- Remediation due
- 2025-04-01
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Notes
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24983 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24983
- Status
- Analyzed
- Published
- 2025-03-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
Affected configurations
• microsoft windows 10 1507 (< 10.0.10240.20947)
• microsoft windows 10 1607 (< 10.0.14393.7876)
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016 (< 10.0.14393.7876)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24983 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24983 US Government Resource