#VU101426 Input validation error in Windows and Windows Server - CVE-2024-49073

Vulnerability identifier: #VU101426

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-49073

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

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

Vendor: Microsoft

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in Windows Mobile Broadband Driver. An attacker with physical access can plug in a malicious USB drive and gain elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: before 10 21H2, 10 22H2, 10 1809, 11 22H2, 11 23H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2

Windows Server: before 2022 23H2, 2025, 2022 23H2, 2022 23H2

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-49073

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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