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TI-2026-23085 Aliases CVE-2026-28900GHSA-79fp-6cmr-w263

Authentication bypass by spoofing in Apple macOS

Priority LOW 24CWE-290Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.

Summary

A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5. A maliciously crafted ZIP archive may bypass Gatekeeper checks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 4th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 14.8.8, 15.7.8, 26.5

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 14.8.8; before 15.7.8; before 26.514.8.8, 15.7.8, 26.5Patch availableCNA
  • macOS VendorApple Affected before 14.8.8; before 15.7.8; before 26.5 Fixed in 14.8.8, 15.7.8, 26.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.8.8; 15.0 to before 15.7.8VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.8.8; 15.0 to before 15.7.8 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 14.8.8, 15.7.8, 26.5

Fixed in the same release

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

  • Release ·

    Apple macOS 14.8.8, 15.7.8, 26.5

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-28756 Memory corruption in Apple iOS and iPadOSPriority LOW 35
    • TI-2026-23042 Authentication bypass by spoofing in Apple macOSPriority LOW 24

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28900
  2. 2026-10-03 Alias added: GHSA-79fp-6cmr-w263

References

  • 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