PT-2021-4152

CVE-2021-31961

Published

2021-07-13

Updated

2026-08-10

Description by

CVSS 3.1

6.1

Medium

MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description The issue is related to an elevation of privilege vulnerability in the Windows InstallService, which is caused by insecure privilege management. This vulnerability can be exploited to allow an attacker to elevate their privileges. The vulnerability may also be related to a Time-Of-Check Time-Of-Use (TOCTOU) denial-of-service issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Impacts

Researchers

Jeongoh Kyea

Kkokkokye

Vendors

Affected products

Weakness enumeration

CWE-269: Improper Privilege Management

Related identifiers

CVE-2021-31961

BDU:2021-04747