PT-2021-2335 · Microsoft · Windows Virtual Registry Provider+1

James Forshaw · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26864

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Virtual Registry Provider (affected versions not specified)

Description The issue is related to insecure privilege management in the Virtual Registry Provider component of the Windows operating system. Exploitation of this issue may allow an attacker to elevate their privileges. An elevation-of-privilege vulnerability allows attackers to affect the system.

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:2021-01571

CVE-2021-26864

Affected Products

Windows

Windows Virtual Registry Provider

References · 11

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26864 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26864 · Security Note
• https://bdu.fstec.ru/vul/2021-01571 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26864 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26864 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26864 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26864 · Vendor Advisory
• https://t.me/cybersecuritytechnologies/2974 · Telegram Post
• https://t.me/cybersecuritytechnologies/3038 · Telegram Post
• https://t.me/cvenotify/65768 · Telegram Post
• https://t.me/cibsecurity/24782 · Telegram Post