PT-2021-2334 · Microsoft · Windows User Profile Service+1

Abdelhamid Naceri + 1 · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26873

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

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

Description The issue is related to insecure privilege management in the Windows User Profile Service. Exploitation of this issue can allow an attacker to elevate their privileges. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

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

LPE

Link Following

Improper Privilege Management

Weakness Enumeration

CWE-59

CWE-269

Related Identifiers

BDU:2021-01570

CVE-2021-26873

ZDI-21-283

Affected Products

Windows

Windows User Profile Service

References · 10

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26873 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26873 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-283 · Security Note
• https://bdu.fstec.ru/vul/2021-01570 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26873 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-26873 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26873 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26873 · Vendor Advisory
• https://t.me/cvenotify/11364 · Telegram Post
• https://t.me/cvenotify/11349 · Telegram Post