← KEV catalog
CISA known exploited vulnerability

CVE-2025-24983

Microsoft Windows Win32k Use-After-Free Vulnerability

SOURCE FACT

Microsoft · Windows

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

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.

CISA notes

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

View source evidence →

CHECK YOUR OUTSIDE-IN INVENTORY

Could this product be present?