Microsoft Win32k Privilege Escalation Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

HIGH

7 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation Likelihood

55.71 %

Predictive Probability

Percentile Rank

99.0 th

Documented as more likely to be exploited than 99.0% of known CVEs.

Detection Date

Feb 04, 2022

Remediation Due

Feb 18, 2022

CISA Catalog Active

Threat Analysis

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

Apply updates per vendor instructions.

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2022-21882