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Uninitialized memory disclosure in Apple iOS, iPadOS and macOS

Priority LOW 15CWE-908Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.

Summary

Apple iOS and iPadOS before 26.7.2 and before 27.2, and macOS before 15.8.2, before 26.7.2 and before 27.2 are affected. An uninitialized memory issue (CWE-908) lets processing a maliciously crafted image disclose process memory. Exploitation requires local access and no privileges, but user interaction.

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

Description from the CNA

An uninitialized memory issue was addressed with improved memory handling. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted image may result in disclosure of process memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.7.2, 27.2macOS (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
AppleiOS and iPadOSbefore 26.7.2; before 27.226.7.2, 27.2Patch availableCNA
ApplemacOSbefore 15.8.2; before 26.7.2; before 27.215.8.2, 26.7.2, 27.2Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.7.2; before 27.2 Fixed in 26.7.2, 27.2 Patch available CNA
  • 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 · 3

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

Remediation

Apple fixed iOS and iPadOS in 26.7.2 and 27.2, and macOS in 15.8.2, 26.7.2 and 27.2.

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

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.7.2, 27.2
  • 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
  • Release ·

    Apple iOS and iPadOS 26.7.2, 27.2

    118 records Highest priority Priority MEDIUM 28 MEDIUM, 90 LOW

    Other records, highest priority first

    • TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
    • TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
    • TI-2026-80867 Resource exhaustion in Apple iOS, iPadOS, macOS and visionOSPriority MEDIUM 41

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-112630
  2. 2026-10-27 Alias added: GHSA-7vjq-48hw-wqg8
  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 CVSS score added · NVD
  7. 2026-11-04 Weakness changed · NVD

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