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

10.65 %
Predictive Probability
Percentile Rank
93.1 th

Documented as more likely to be exploited than 93.1% 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