PT-2021-2341 · Microsoft · Windows Hyper-V+1

Rezer0Dai · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26867

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Hyper-V (affected versions not specified)

Description The issue is related to insecure privilege management in the Hyper-V component of the Windows operating system. It allows remote attackers to execute arbitrary code and 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:2021-01578

CVE-2021-26867

Affected Products

Windows

Windows Hyper-V

References · 10

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26867 · Security Note
• https://bdu.fstec.ru/vul/2021-01578 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26867 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26867 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26867 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26867 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26867 · Vendor Advisory
• https://t.me/true_secator/2712 · Telegram Post
• https://t.me/cibsecurity/24783 · Telegram Post
• https://t.me/isacarusec/5122 · Telegram Post