CVE-2025-29800

Local privilege escalation

Published Apr 8, 2025 · Updated Aug 10, 2026

Improper privilege management in Microsoft AutoUpdate for Mac before 4.78 allows local users to elevate privileges on macOS. Microsoft has not published the affected path or the privileged operation that mishandles attacker-controlled state. Exploitation requires an authorized local account and no separate user interaction; remote reachability has not been reported.

CVSS severity7.8
High
EPSS probability1.06%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in Microsoft AutoUpdate for Mac before 4.78 allows local users to elevate privileges on macOS. Microsoft has not published the affected path or the privileged operation that mishandles attacker-controlled state. Exploitation requires an authorized local account and no separate user interaction; remote reachability has not been reported.

The record

CVE
CVE-2025-29800
Published
Apr 8, 2025
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Microsoft AutoUpdate for Mac
Classifications
CWE-269, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0.0 <4.78

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft AutoUpdate for Macversion=4.0.0 <4.78

Published CVSS scores

7.8Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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