PT-2021-3920 · Microsoft · Windows 10 Update Assistant

Abdelhamid Naceri + 1 · Published 2021-08-10 · Updated 2023-12-28 · CVE-2021-36945

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows 10 Update Assistant (affected versions not specified)

Description The issue is related to insufficient access control in the Windows Update Assistant, which can be exploited to elevate 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:2021-04437

CVE-2021-36945

ZDI-21-968

Affected Products

Windows 10 Update Assistant

References · 6

• https://zerodayinitiative.com/advisories/ZDI-21-968 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36945 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04437 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-36945 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36945 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021081013 · Note