CVE-2025-29801
CVE-2025-29801 is a high-severity vulnerability in Microsoft Autoupdate with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-10136
- Weakness: CWE-276
- Affected product: Microsoft Autoupdate
- Published:
- Last modified:
Description
Incorrect default permissions in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2025-29801?
- Incorrect default permissions in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2025-29801?
- CVE-2025-29801 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-29801 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-29801?
- CVE-2025-29801 affects Microsoft Autoupdate. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-29801?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-29801 have an EU (EUVD) identifier?
- Yes. CVE-2025-29801 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10136.
- When was CVE-2025-29801 published?
- CVE-2025-29801 was published on 2025-04-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:autoupdate:*:*:*:*:*:macos:*:*
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