CVE-2024-43633: Windows Hyper-V Denial of Service Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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-Nov

Released

2024-11-12

EPSS Score

0.07% (percentile: 21.4%)

FAQ

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? An attacker who successfully exploited this vulnerability could potentially execute a cross-VM attack, thereby compromising multiple virtual machines and expanding the impact of the attack beyond the initially targeted VM.

Affected Products (6)

Windows

• Windows 11 Version 22H2 for ARM64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 11 Version 23H2 for ARM64-based Systems
• Windows 11 Version 23H2 for x64-based Systems
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems

Security Updates (3)

• 5046633
• 5046617
• 5046696

Acknowledgments

<a href="https://github.com/cbwang505">ChengBin Wang</a> with <a href="https://www.guolisec.com/">ZheJiang Guoli Security Technology</a>

Revision History

• 2024-11-12: Information published.