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Out-of-bounds read in Apple iOS, iPadOS and macOS may leak memory

Priority MEDIUM 42CWE-125Published · Updated

Key facts

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

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

Summary

Apple iOS and iPadOS before 27.2 and macOS before 27.2 contain an out-of-bounds read (CWE-125) that Apple fixed with improved bounds checking. A remote attacker may be able to leak memory without authentication or user interaction.

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

Description from the CNA

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2. A remote attacker may be able to leak memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00566 47th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 27.2macOS (Apple): 27.2

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
AppleiOS and iPadOSbefore 27.227.2Patch availableCNA
ApplemacOSbefore 27.227.2Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA
  • macOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA

CPE configurations NVD · 3

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

Remediation

Update iOS and iPadOS to 27.2 and macOS to 27.2 (Golden Gate).

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

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 27.2
  • Fix · CNA macOS (Apple) Fixed in 27.2

Fixed in the same release

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

  • Release ·

    Apple macOS 27.2

    78 records Highest priority Priority MEDIUM 23 MEDIUM, 55 LOW

    Other records, highest priority first

    • TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
    • TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
    • TI-2026-80857 Use-after-free in Apple Safari and several Apple operating systemsPriority MEDIUM 41
  • Release ·

    Apple iOS and iPadOS 27.2

    40 records Highest priority Priority MEDIUM 10 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
    • TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
    • TI-2026-80853 Use-after-free in Apple Safari and iOS enables code executionPriority MEDIUM 41

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-112607
  2. 2026-10-27 Alias added: GHSA-p746-wqpp-44fv
  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
  6. 2026-11-04 Priority changed: LOW → MEDIUM

References

  • 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
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources