CVE-2023-36596: Remote Procedure Call Information Disclosure Vulnerability

Overview

Severity: High (CVSS 7.5)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/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: 2023-Oct
Released: 2023-10-10
Last Updated: 2023-11-06
EPSS Score: 0.30% (percentile: 53.6%)

FAQ

What type of information could be disclosed by this vulnerability? An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.

Affected Products (27)

Windows

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for ARM64-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 11 version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016
Windows Server 2016 (Server Core installation)

ESU

Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

Security Updates (11)

Acknowledgments

<a href="https://twitter.com/keyz3r0">k0shl</a> with <a href="https://www.cyberkl.com/">Kunlun Lab</a>

Revision History

2023-10-10: Information published.
2023-11-06: Updated one or more CVSS scores for the affected products. This is an informational change only.