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TI-2026-80775 Aliases CVE-2026-112495GHSA-m43m-hcw9-ppwv

Out-of-bounds read in macOS lets apps read kernel memory

Priority LOW 30CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Apple macOS is affected before 15.8.2, before 26.7.2 and before 27.2. An out-of-bounds read (CWE-125) is addressed with improved bounds checking, and it lets an app cause unexpected system termination or read kernel memory. The attack needs a local app and user interaction, with no privileges required.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

An out-of-bounds read 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. An app may be able to cause unexpected system termination or read kernel memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00184 7th 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
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 15.8.2; 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:*:*:*:*:*:*:*:*before 15.8.2; 26.0 to before 26.7.2; 27.0 to before 27.2VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 15.8.2; 26.0 to before 26.7.2; 27.0 to before 27.2 Vulnerable ·Apple

Remediation

Apple fixes this in macOS 15.8.2, macOS 26.7.2 and macOS 27.2, so install the fixed version for each macOS line.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • 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-2026-112495
  2. 2026-10-27 Alias added: GHSA-m43m-hcw9-ppwv
  3. 2026-11-03 CVSS score added · CISA ADP
  4. 2026-11-03 Weakness changed · CISA ADP
  5. 2026-11-03 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