CVE-2021-31955

MEDIUMCISA KEV

5.5

Description

Windows Kernel Information Disclosure Vulnerability

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published6/8/2021

Last Modified10/30/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductWindows

Vulnerability NameMicrosoft Windows Kernel Information Disclosure Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

microsoft:windows_10_1809microsoft:windows_10_1909microsoft:windows_10_2004microsoft:windows_10_20h2microsoft:windows_10_21h1microsoft:windows_server_2004microsoft:windows_server_2019microsoft:windows_server_20h2

Weaknesses (CWE)

CWE-497

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31955(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.