Privilege escalation in Microsoft Windows Kernel-Mode Driver



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-43640
CWE-ID CWE-415
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Double free

EUVDB-ID: #VU100405

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-2024-43640

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in Windows Kernel-Mode Driver. A local user can pass specially crafted data to the application, trigger double free error and gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: before 2022 10.0.20348.2849

Windows: before 10 21H2 10.0.19044.5131, 10 22H2 10.0.19045.5131, 10 1607 10.0.14393.7515, 11 22H2 10.0.22621.4460, 11 23H2 10.0.22631.4460, 10 21H2 10.0.19044.5131, 10 21H2 10.0.19044.5131, 10 21H2 10.0.19044.5131, 10 21H2 10.0.19044.5131

CPE2.3 External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43640


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.



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