Home / Vulnerabilities / CVE-2021-40450
HIGH SEVERITY
CVE-2021-40450Microsoft · Win32k

Microsoft Win32k Privilege Escalation Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
7.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

5.59 %
Predictive Probability
Percentile Rank
90.3 th

Documented as more likely to be exploited than 90.3% of known CVEs.

Detection Date

Apr 25, 2022

Remediation Due

May 16, 2022

CISA Catalog Active

Threat Analysis

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

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-40450