Use-after-free in Microsoft Windows and Windows Server - CVE-2024-38193

 

Use-after-free in Microsoft Windows and Windows Server - CVE-2024-38193

Published: August 13, 2024 / Updated: December 6, 2024


Vulnerability identifier: #VU95833
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-38193
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ancillary function driver for WinSock. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2024-38193

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4780, 10 22H2 10.0.19045.4529, 10 22H2 10.0.19045.4780, 10 1507 10.0.10240.20751, 10 1607 10.0.14393.7259, 10 1809 10.0.17763.6189, 11 21H2 10.0.22000.3147, 11 22H2 10.0.22621.4037, 11 23H2 10.0.22631.4037
Windows Server - addressed in versions 2008 R2 6.1.7601.27277, 2008 6.0.6003.22825, 2012 R2 6.3.9600.22134, 2012 6.2.9200.25031, 2016 10.0.14393.7259, 2019 10.0.17763.6189, 2022 10.0.20348.2655

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins