CVE-2022-26785: Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2022-Apr

Released

2022-04-12

EPSS Score

7.78% (percentile: 92.0%)

FAQ

What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of initialized or uninitialized memory in the process heap.

Affected Products (7)

Windows

• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server, version 20H2 (Server Core Installation)
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

Security Updates (4)

• 5012647
• 5012604
• 5012599
• 5012596

Acknowledgments

k0shl with Kunlun Lab

Revision History

• 2022-04-12: Information published.