#VU98239 Use-after-free in Windows Server and Windows - CVE-2024-43574

Vulnerability identifier: #VU98239

Vulnerability risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-43574

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows Server
Operating systems & Components / Operating system
Windows
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a use-after-free error in Microsoft Speech Application Programming Interface (SAPI). A remote attacker can use a specially crafted link and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: before 2012 R2, 2022 23H2, 2022, 2012 R2, 2012 R2

Windows: before 10 21H2, 10 22H2, 10 1607, 11 21H2, 11 22H2, 11 23H2, 11 24H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43574

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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