PT-2021-3901 · Microsoft · Windows

Halov · Published 2021-08-10 · Updated 2023-12-28 · CVE-2021-26425

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 Microsoft Windows (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Windows Event Tracing service of Microsoft Windows operating systems. It allows 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

Weakness Enumeration

CWE-59

CWE-264

Related Identifiers

BDU:2021-04381

CVE-2021-26425

ZDI-21-964

Affected Products

Windows

References · 12

• https://osv.dev/vulnerability/CVE-2021-26425 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26425 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-964 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-26425 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26425 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26425 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04381 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26425 · Vendor Advisory
• https://t.me/cvenotify/65515 · Telegram Post
• https://t.me/cvenotify/19948 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021081036 · Note
• https://t.me/cvenotify/19947 · Telegram Post