What is CVE-2025-29801?

CVE-2025-29801 is a high-severity vulnerability in Microsoft Autoupdate, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2025-04-08.

How severe is CVE-2025-29801?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Autoupdate

CVE-2025-29801

Incorrect default permissions in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.

EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Autoupdate
Microsoft Autoupdate For Mac — versions 4.0.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-29801?: CVE-2025-29801 is a high-severity vulnerability in Microsoft Autoupdate, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2025-04-08.
How severe is CVE-2025-29801?: High severity. CVSS v3 base score is 7.8 out of 10.