Multiple vulnerabilities in Microsoft Windows Graphics Component

Published: 2023-03-14 | Updated: 2023-03-16

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-24861 CVE-2023-24910
CWE-ID	CWE-362 CWE-264
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system Microsoft Office Client/Desktop applications / Office applications
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Race condition

EUVDB-ID: #VU73526

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-24861

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within the win32kfull driver in Windows Graphics Component. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2008 - 2022

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24861
http://www.zerodayinitiative.com/advisories/ZDI-23-243/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU73527