PT-2021-6329 · Microsoft · Windows

Ranchoice · Published 2021-09-14 · Updated 2023-12-28 · CVE-2021-38639

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue is related to insufficient access control in the Win32k component of the Windows operating system. It allows an attacker to elevate their privileges.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2022-01332

CVE-2021-38639

Affected Products

Windows

References · 9

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38639 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38639 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-38639 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38639 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-38639 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01332 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-38639 · Vendor Advisory
• https://t.me/cvenotify/21470 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021091421 · Note