Microsoft Windows Win32k Privilege Escalation Vulnerability

Unspecified vulnerability allows for an authenticated user to escalate privileges.

cat cve-2021-40449.json

Vendor: Microsoft
Product: Windows
CVSS: 7.8
EPSS (exploit probability): 74.1%
Status: kevransomware use
CISA patch-by (BOD 22-01): December 1, 2021
Published: November 17, 2021
Source: https://nvd.nist.gov/vuln/detail/CVE-2021-40449

Unspecified vulnerability allows for an authenticated user to escalate privileges.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-17. Required action per CISA: Apply updates per vendor instructions. Due date: 2021-12-01.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.