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TI-2026-23037 Aliases CVE-2026-28844GHSA-4cw8-47wj-7w4j

Apple macOS: An attacker may gain access to protected parts of the file system

Priority LOW 29Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00349 28th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 26.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 26.426.4Patch availableCNA
  • macOS VendorApple Affected before 26.4 Fixed in 26.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 26.4VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 26.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 26.4

    23 records Highest priority Priority MEDIUM 1 MEDIUM, 22 LOW

    Other records, highest priority first

    • TI-2026-16688 Apple macOS: A user may be able to elevate privilegesPriority MEDIUM 40
    • TI-2026-23036 Heap-based buffer overflow in Apple macOSPriority LOW 39
    • TI-2026-23031 Improper access control in Apple macOSPriority LOW 39
    Show all 23 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28844
  2. 2026-10-03 Alias added: GHSA-4cw8-47wj-7w4j

References

Advisory 1

  • TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
See all 3490 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences