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TI-2026-46262 Aliases CVE-2026-64727GHSA-rgpx-f96c-9fm9

Type confusion in Apple macOS

Priority MEDIUM 49CWE-843Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-843 and the CVSS impact.

Summary

A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00499 42nd percentileScored 2026-11-07
Fix Fixed macOS (Apple): 26.6tvOS (Apple): 26.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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 26.626.6Patch availableCNA
AppletvOSbefore 26.626.6Patch availableCNA
  • macOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • tvOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.6VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 26.6
  • Fix · CNA tvOS (Apple) Fixed in 26.6

Fixed in the same release

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

  • Release ·

    Apple tvOS 26.6

    66 records Highest priority Priority MEDIUM 27 MEDIUM, 39 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46306 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 66 records →
  • Release ·

    Apple macOS 26.6

    32 records Highest priority Priority MEDIUM 14 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-46281 Missing authorization in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 32 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-64727
  2. 2026-10-03 Alias added: GHSA-rgpx-f96c-9fm9

References

Advisory 2

  • 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