#VU105536 Command Injection in Azure ARC - CVE-2025-26627

Vulnerability identifier: #VU105536

Vulnerability risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-26627

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Azure ARC
Other software / Other software solutions

Vendor: Microsoft

Description

The vulnerability allows a local user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation in Azure Arc Installer. A local user can pass specially crafted data to the application and execute arbitrary commands on the target system with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Azure ARC: All versions

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26627

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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.