Information disclosure in Microsoft Local Security Authority Subsystem Service



Published: 2024-04-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-26209
CWE-ID CWE-908
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use of uninitialized resource

EUVDB-ID: #VU88386

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26209

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in Microsoft Local Security Authority Subsystem Service. A local user can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 23H2

Windows Server: 2012 R2 - 2022 23H2

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26209


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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