PT-2021-2339 · Microsoft · Windows

Abdelhamid Naceri + 1 · Published 2021-03-09 · Updated 2026-03-10 · CVE-2021-1729

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

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 Update Stack Setup, which is caused by insecure privilege management. This vulnerability can be exploited to allow 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-269

Related Identifiers

BDU:2021-01576

CVE-2021-1729

ZDI-21-284

Affected Products

Windows

References · 9

• https://zerodayinitiative.com/advisories/ZDI-21-284 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1729 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1729 · Security Note
• https://bdu.fstec.ru/vul/2021-01576 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1729 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1729 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1729 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1729 · Vendor Advisory
• https://t.me/cvenotify/65760 · Telegram Post