#VU107251 Incorrect default permissions in Microsoft AutoUpdate for Mac - CVE-2025-29801

Vulnerability identifier: #VU107251

Vulnerability risk: Low

CVSSv4.0: 5.9 [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:U/U:Clear]

CVE-ID: CVE-2025-29801

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft AutoUpdate for Mac
Client/Desktop applications / Other client software

Vendor: Microsoft

Description

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

The vulnerability exists due to incorrect default permissions in Microsoft AutoUpdate (MAU). A local user can gain elevated privileges on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft AutoUpdate for Mac: All versions

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29801

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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.