CVE-2026-28892

Local modification of protected file-system areas

Published Mar 25, 2026 · Updated Mar 25, 2026

Permissions flaw in macOS Sonoma, Sequoia, and Tahoe allows local users to modify protected file-system areas through an app. Apple identifies Diagnostics as the affected component but has not disclosed what removed code performed the incorrect permission operation. Local app execution is required; affected releases are Sonoma before 14.8.5, Sequoia before 15.7.5, and Tahoe before 26.4.

CVSS severity5.5
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Permissions flaw in macOS Sonoma, Sequoia, and Tahoe allows local users to modify protected file-system areas through an app. Apple identifies Diagnostics as the affected component but has not disclosed what removed code performed the incorrect permission operation. Local app execution is required; affected releases are Sonoma before 14.8.5, Sequoia before 15.7.5, and Tahoe before 26.4.

The record

CVE
CVE-2026-28892
Published
Mar 25, 2026
Updated
Mar 25, 2026
Vendor
Apple
Product
macOS
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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=0 <14.8.5
  2. Affected versionversion=0 <15.7.5
  3. Affected versionversion=0 <26.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · macOSversion=0 <14.8.5; version=0 <15.7.5; version=0 <26.4

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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