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TI-2026-23013 Aliases CVE-2026-28819GHSA-5xgr-7873-hpc7

Out-of-bounds write in Apple iOS and iPadOS

Priority LOW 36CWE-787Published · Updated

Key facts

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

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

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to execute arbitrary code with kernel privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.06498 93rd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.7.9macOS (Apple): 14.8.7, 15.7.7, 26.5

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
AppleiOS and iPadOSbefore 18.7.918.7.9Patch availableCNA
ApplemacOSbefore 14.8.7; before 15.7.7; before 26.514.8.7, 15.7.7, 26.5Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 18.7.9 Fixed in 18.7.9 Patch available CNA
  • macOS VendorApple Affected before 14.8.7; before 15.7.7; before 26.5 Fixed in 14.8.7, 15.7.7, 26.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.7.9VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.7.9VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.8.7; 15.0 to before 15.7.7; 26.0 to before 26.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.7.9 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.7.9 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.8.7; 15.0 to before 15.7.7; 26.0 to before 26.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.9
  • Fix · CNA macOS (Apple) Fixed in 14.8.7, 15.7.7, 26.5

Fixed in the same release

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

  • Release ·

    Apple macOS 14.8.7, 15.7.7, 26.5

    37 records Highest priority Priority MEDIUM 2 MEDIUM, 35 LOW

    Other records, highest priority first

    • TI-2026-23138 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-23131 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31750 Apple iOS and iPadOS: An app may be able to disclose kernel memoryPriority LOW 39
    Show all 37 records →
  • Release ·

    Apple iOS and iPadOS 18.7.9

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-23131 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-23133 Authentication bypass by spoofing in Apple iOS and iPadOSPriority LOW 39
    • TI-2026-23111 Apple iOS and iPadOS: Replying to an email could display remote images in Mail in…Priority LOW 39
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28819
  2. 2026-10-03 Alias added: GHSA-5xgr-7873-hpc7
  3. 2026-10-25 EPSS moved to the 90th–95th percentile
  4. 2026-11-03 CISA SSVC decision points changed

References

Advisory 4

  • 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