CVE-2025-24983—Microsoft Windows Win32k Use-After-Free Vulnerability

Vulnerability Name

Microsoft Windows Win32k Use-After-Free Vulnerability

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

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.

Additional Notes

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24983
• https://nvd.nist.gov/vuln/detail/CVE-2025-24983

Related News Articles

• PipeMagic Trojan Exploits Windows Zero-Day Vulnerability to Deploy RansomwareApril 9, 2025
• Microsoft: Windows CLFS zero-day exploited by ransomware gangApril 8, 2025
• EncryptHub linked to MMC zero-day attacks on Windows systemsMarch 25, 2025
• Microsoft patches Windows Kernel zero-day exploited since 2023March 12, 2025
• URGENT: Microsoft Patches 57 Security Flaws, Including 6 Actively Exploited Zero-DaysMarch 12, 2025

Related Weaknesses

• CWE-416