CVE DATABASE / CVE-2025-24983
CVE-2025-24983
Microsoft Windows Win32k Use-After-Free Vulnerability
CVSS 7 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2025-03-11.
Federal remediation due 2025-04-01.
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.
Summary
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVSS 3.1 breakdown
| Base score | 7 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft windows 10 1507Microsoft windows 10 1607Microsoft windows server 2008Microsoft windows server 2012Microsoft windows server 2016
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24983
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24983
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-27. Always verify against the vendor advisory before acting.