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TI-2026-80624 Aliases CVE-2026-112478GHSA-5rv3-4gx8-q47g

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

Priority MEDIUM 40CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
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 before 26.7.2 and before 27.2 is affected. An out-of-bounds read (CWE-125) lets an app cause unexpected system termination or read kernel memory. A local app can exploit it without privileges or user interaction.

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

Description from the CNA

An out-of-bounds read issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27.2, 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 8th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 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 26.7.2; before 27.226.7.2, 27.2Patch availableCNA
  • macOS VendorApple Affected before 26.7.2; before 27.2 Fixed in 26.7.2, 27.2 Patch available CNA

CPE configurations NVD · 1

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

Remediation

Fixed versions are macOS 26.7.2 and macOS 27.2. Update macOS to one of these versions.

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

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

    17 records Highest priority Priority MEDIUM 4 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2026-80616 Memory handling flaw in Apple macOS lets apps crash the systemPriority MEDIUM 46
    • TI-2026-80871 Improper input validation in Apple iOS, macOS, visionOS and watchOSPriority MEDIUM 40
    • TI-2026-80649 Out-of-bounds read in Apple iOS, iPadOS and macOS causes system crashPriority MEDIUM 40
    Show all 17 records →

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-112478
  2. 2026-10-27 Alias added: GHSA-5rv3-4gx8-q47g
  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
  6. 2026-11-03 Priority changed: LOW → MEDIUM

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