PT-2021-4368 · Microsoft · Windows Hyper-V+1

Published 2021-10-12 · Updated 2023-08-01 · CVE-2021-40461

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

AV:A/AC:H/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 incorrect code generation management in the Hyper-V hardware virtualization system of the Windows operating system. It allows remote attackers to execute arbitrary code, potentially leading to privilege escalation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-04998

CVE-2021-40461

Affected Products

Windows

Windows Hyper-V

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-40461 · Security Note
• https://bdu.fstec.ru/vul/2021-04998 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40461 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40461 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-40461 · Vendor Advisory
• https://t.me/true_secator/2209 · Telegram Post
• https://t.me/isacarusec/4535 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021101247 · Note
• http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461 · Note