PT-2021-2383 · Microsoft · Windows

Yuki Chen · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26898

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 Windows Event Tracing service, which can be exploited to elevate privileges. This allows an attacker to affect the system. No information is provided about the estimated number of potentially affected devices 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.

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2021-01624

CVE-2021-26898

Affected Products

Windows

References · 13

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26898 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26898 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26898 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26898 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26898 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26898 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01624 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021030934 · Note
• https://t.me/cvenotify/11182 · Telegram Post
• https://t.me/cvenotify/11368 · Telegram Post
• https://t.me/cibsecurity/24788 · Telegram Post
• https://t.me/cibsecurity/24777 · Telegram Post
• https://t.me/cvenotify/20726 · Telegram Post