#VU93907 Integer overflow in Windows Server and Windows - CVE-2024-38080

Vulnerability identifier: #VU93907

Vulnerability risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-38080

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Microsoft

Description

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

The vulnerability exists due to integer overflow in Windows Hyper-V component. A local user can trigger an integer overflow and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: before 2016, 2022, 2016, 2016

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

---

External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-38080

---

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?

Yes. This vulnerability is being exploited in the wild.