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TI-2026-46299 Aliases CVE-2026-64767GHSA-84qx-fjmg-vr64

Buffer overflow in Apple macOS

Priority MEDIUM 51CWE-120Published · 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-120 and the CVSS impact.

Summary

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8.2, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00895 59th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 14.8.8, 15.7.8, 15.8.2 +1

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 14.8.8; before 15.7.8; before 15.8.2; before 26.614.8.8, 15.7.8, 15.8.2, 26.6Patch availableCNA
  • macOS VendorApple Affected before 14.8.8; before 15.7.8; before 15.8.2; before 26.6 Fixed in 14.8.8, 15.7.8, 15.8.2, 26.6 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 15.7.8; 26.0 to before 26.6VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.8.8; 15.0 to before 15.7.8; 26.0 to before 26.6 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 14.8.8, 15.7.8, 15.8.2, 26.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-64767
  2. 2026-10-03 Alias added: GHSA-84qx-fjmg-vr64
  3. 2026-10-26 Fix available: Apple/[email protected] · CNA
  4. 2026-10-26 1 new reference · CNA

References

Advisory 3

Other 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