CVE-2024-20699: Windows Hyper-V Denial of Service Vulnerability

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2024-Jan

Released

2024-01-09

EPSS Score

0.23% (percentile: 45.9%)

FAQ

How could an attacker exploit this vulnerability? An authenticated attacker could run a specially crafted application on a vulnerable Hyper-V guest to exploit this vulnerability which, if successful, could potentially interact with processes of another Hyper-V guest hosted on the same Hyper-V host.

Affected Products (11)

Windows

• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 11 version 21H2 for x64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for x64-based Systems
• Windows 11 Version 23H2 for x64-based Systems
• Windows Server 2022, 23H2 Edition (Server Core installation)

Security Updates (6)

• 5034127
• 5034129
• 5034121
• 5034122
• 5034123
• 5034130

Revision History

• 2024-01-09: Information published.