Home / Vulnerabilities / CVE-2021-31955
MEDIUM SEVERITY
CVE-2021-31955 Microsoft · Windows

Microsoft Windows Kernel Information Disclosure Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
5.5 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

4.65 %
Predictive Probability
Percentile Rank
89.0 th

Documented as more likely to be exploited than 89.0% 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 information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence