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TI-2023-12770 Aliases CVE-2023-28206

Out-of-bounds write in Apple iOS and iPadOS

Priority CRITICAL 96Exploited in the wildCWE-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

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

Why it matters now

Exploitation Active In CISA KEV since 2023-04-10CISA due date 2023-05-01
EPSS 0.23215 97th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 15.7, 16.4macOS (Apple): 11.7, 12.6, 13.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
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
AppleiOS and iPadOSbefore 15.715.7Patch availableCNA
ApplemacOSbefore 11.711.7Patch availableCNA
ApplemacOSbefore 12.612.6Patch availableCNA
ApplemacOSbefore 13.313.3Patch availableCNA
AppleiOS and iPadOSbefore 16.416.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 15.7 Fixed in 15.7 Patch available CNA
  • macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
  • macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
  • macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.5; 16.0 to before 16.4.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.5; 16.0 to before 16.4.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 11.7.6; 12.0 to before 12.6.5; 13.0 to before 13.3.1VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.5; 16.0 to before 16.4.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.5; 16.0 to before 16.4.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.7.6; 12.0 to before 12.6.5; 13.0 to before 13.3.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.7
  • Fix · CNA macOS (Apple) Fixed in 11.7
  • Fix · CNA macOS (Apple) Fixed in 12.6
  • Fix · CNA macOS (Apple) Fixed in 13.3
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.4

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS, macOS 13.3, 15.7, 16.4

    2 records Highest priority Priority CRITICAL 2 CRITICAL

    Other records, highest priority first

    • TI-2023-12769 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
    Show all 2 records →

Timeline

  1. 2023-04-10 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-28206

References

Advisory 5

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences