Home / Vulnerabilities / CVE-2021-33771
HIGH SEVERITY
CVE-2021-33771Microsoft · Windows

Microsoft Windows Kernel 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:F/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

6.65 %
Predictive Probability
Percentile Rank
91.2 th

Documented as more likely to be exploited than 91.2% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence