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TI-2026-80812 Aliases CVE-2026-112553GHSA-f36w-77c8-492q

Out-of-bounds write in Apple macOS can crash apps

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
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-787 and the CVSS impact.

Summary

Apple macOS versions before 15.8.2, before 26.7.2 and before 27.2 contain an out-of-bounds write (CWE-787). A local user can trigger it when a maliciously crafted file is processed, which may cause an unexpected app termination.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to unexpected app termination.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0019 8th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 15.8.2, 26.7.2, 27.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 15.8.2; before 26.7.2; before 27.215.8.2, 26.7.2, 27.2Patch availableCNA
  • macOS VendorApple Affected before 15.8.2; before 26.7.2; before 27.2 Fixed in 15.8.2, 26.7.2, 27.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*15.0 to before 15.8.2; 26.0 to before 26.7.2; 27.0 to before 27.2VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 15.0 to before 15.8.2; 26.0 to before 26.7.2; 27.0 to before 27.2 Vulnerable ·Apple

Remediation

Update macOS Sequoia to 15.8.2, macOS Tahoe to 26.7.2 and macOS Golden Gate to 27.2.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA macOS (Apple) Fixed in 15.8.2, 26.7.2, 27.2

Fixed in the same release

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

  • Release ·

    Apple macOS 15.8.2, 26.7.2, 27.2

    166 records Highest priority Priority MEDIUM 29 MEDIUM, 137 LOW

    Other records, highest priority first

    • TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
    • TI-2026-80811 Out-of-bounds write in Apple macOS allows system terminationPriority MEDIUM 50
    • TI-2026-80633 Buffer overflow in Apple macOS allows remote app crashesPriority MEDIUM 50
    Show all 166 records →

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-112553
  2. 2026-10-27 Alias added: GHSA-f36w-77c8-492q
  3. 2026-11-04 CVSS score added · CISA ADP
  4. 2026-11-04 Weakness changed · CISA ADP
  5. 2026-11-04 CISA SSVC decision points changed

References

Advisory 3

  • 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