PT-2021-2412 · Microsoft · Windows Container Execution Agent+1

James Forshaw · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26891

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 Container Execution Agent (affected versions not specified)

Description: The issue is related to insecure privilege management in the Windows Container Execution Agent service. 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.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-01662

CVE-2021-26891

Affected Products

Windows

Windows Container Execution Agent

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2021-26891 · Security Note
• https://bdu.fstec.ru/vul/2021-01662 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26891 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26891 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26891 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26891 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26891 · Vendor Advisory
• https://t.me/cvenotify/11289 · Telegram Post
• https://t.me/cybersecuritytechnologies/3038 · Telegram Post
• https://t.me/cibsecurity/24760 · Telegram Post
• https://t.me/cybersecuritytechnologies/2974 · Telegram Post