This issue was addressed with improved permissions checking. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to access arbitrary files.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00015.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Apple macOS affected
Version Status Constraints
0 affected < 26.4

No data.

No data.

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Vendors Products
Apple Subscribe
Macos Subscribe

Project Subscriptions

Vendors Products
Apple Subscribe
Macos Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.apple.com/en-us/126794 cve-icon cve-icon
History

Tue, 12 May 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 11 May 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 11 May 2026 22:00:00 +0000

Type Values Removed Values Added
Title Arbitrary File Access via Permission Checking Flaw in macOS
Weaknesses CWE-284
CWE-285

Mon, 11 May 2026 20:45:00 +0000

Type Values Removed Values Added
Description This issue was addressed with improved permissions checking. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to access arbitrary files.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-05-12T20:54:03.167Z

Reserved: 2026-03-03T16:36:03.984Z

Link: CVE-2026-28910

cve-icon Vulnrichment

Updated: 2026-05-12T20:53:50.688Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-11T21:18:53.707

Modified: 2026-05-12T14:13:03.510

Link: CVE-2026-28910

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-11T22:45:36Z

Weaknesses