# CVE-2025-24983: Microsoft Windows Win32k Use-After-Free Vulnerability

Source: https://junglewise.ai/threats/cve-2025-24983-microsoft-windows-win32k-use-after-free-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-11. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2025-24983 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2025-03-11

A use-after-free vulnerability in the Microsoft Windows Win32 Kernel Subsystem (Win32k) allows a locally authenticated attacker to elevate privileges. The vulnerability has been observed being exploited in the wild.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2025-24983 exploited in the wild?** Yes. CVE-2025-24983 is known to be exploited in the wild, first recorded on 11 March 2025. Treat it as urgent.

**How severe is CVE-2025-24983?** Critical severity, with a CVSS score of 7, published 11 March 2025.

**Which products and versions are affected?** Microsoft Windows Server 2008 SP2, R2 SP1; Microsoft Windows Server 2012 R2; Microsoft Windows 10 1507 versions prior to 10.0.10240.20947; Microsoft Windows 10 1607 versions prior to 10.0.14393.7876; and 1 more.

**Is there a fix for CVE-2025-24983?** A patch was published on 2025-03-11. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2025-24983 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2025-24983?** Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows Server 2008 SP2, R2 SP1
- Microsoft Windows Server 2012 R2
- Microsoft Windows 10 1507 versions prior to 10.0.10240.20947
- Microsoft Windows 10 1607 versions prior to 10.0.14393.7876
- Microsoft Windows Server 2016 versions prior to 10.0.14393.7876

## Timeline

- 2025-03-11: disclosed
- 2025-03-11: patched
- 2025-03-11: exploited: Added to CISA KEV catalog
- 2025-03-11: kev added

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- [Microsoft Windows USM Communication Manager null pointer dereference](https://junglewise.ai/threats/cve-2026-97000-null-pointer-dereference-in-windows-usm-communication-manager)
- [Microsoft Windows Winsock use after free privilege escalation](https://junglewise.ai/threats/cve-2026-96994-use-after-free-in-winsock-allows-an-authorized-attacker-to)