- Vendor / Project
- Microsoft
- Product
- Windows
- Date added
- Oct 6, 2025
- Due date
- Oct 27, 2025
- Known ransomware use
- Unknown
- CWEs
- —
Description
Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page.
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.