Vulnerability identifier: #VU68221

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-37980

CWE-ID: CWE-119

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 user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Windows DHCP Client service. A local user can send a specially crafted RPC call to the DHCP service, trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 11 21H2 10.0.22000.194, 10 21H2 10.0.19044.1288, 10 21H1 10.0.19043.985, 10 20H2 10.0.19042.572

Windows Server: 2022 10.0.20348.202 - 2022 20H2

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37980

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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.