Privilege escalation in Microsoft Win32k

1) Use-after-free

EUVDB-ID: #VU88390

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26241

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Win32k. A local user can gain elevated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 Mobile - 11

Windows Server: 2008 R2 - 2022 23H2

CPE2.3

• cpe:2.3:o:microsoft:windows:10:Mobile:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10:Gold:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10:S:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 20H2:10.0.19042.572:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 21H1:10.0.19043.985:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 21H2:10.0.19044.1288:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 22H2:10.0.19045.2130:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 1507:10.0.10240.16405:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 1511:10.0.10586.3:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows:10 1607:10.0.14393.10:*:*:*:*:*:
• cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26241

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.