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TI-2026-23041 Aliases CVE-2026-28848GHSA-2h56-2mqr-w44f

Stack-based buffer overflow in Apple macOS

Priority MEDIUM 40CWE-121Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Tahoe 26.5. A remote attacker may be able to cause unexpected system termination.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00541 45th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 15.7.7, 26.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 15.7.7; before 26.515.7.7, 26.5Patch availableCNA
  • macOS VendorApple Affected before 15.7.7; before 26.5 Fixed in 15.7.7, 26.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*15.0 to before 15.7.7; 26.0 to before 26.5VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 15.0 to before 15.7.7; 26.0 to before 26.5 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 15.7.7, 26.5

Fixed in the same release

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

  • Release ·

    Apple macOS 15.7.7, 26.5

    4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-23121 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-23152 Improper access control in Apple iOS and iPadOSPriority LOW 39
    • TI-2026-23122 Memory corruption in Apple iOS and iPadOSPriority LOW 32
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28848
  2. 2026-10-03 Alias added: GHSA-2h56-2mqr-w44f

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