Read the docs
TI-2026-23079 Aliases CVE-2026-28894GHSA-55pg-vx6v-2jfh

Improper input validation in Apple iOS and iPadOS

Priority MEDIUM 40CWE-20Published · Updated

Key facts

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

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

Summary

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00691 53rd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.4macOS (Apple): 14.8.5, 15.7.5, 26.4

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 26.426.4Patch availableCNA
ApplemacOSbefore 14.8.5; before 15.7.5; before 26.414.8.5, 15.7.5, 26.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.4 Fixed in 26.4 Patch available CNA
  • macOS VendorApple Affected before 14.8.5; before 15.7.5; before 26.4 Fixed in 14.8.5, 15.7.5, 26.4 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.4VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.8.5; 15.0 to before 15.7.5; 26.0 to before 26.4VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.8.5; 15.0 to before 15.7.5; 26.0 to before 26.4 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.4
  • Fix · CNA macOS (Apple) Fixed in 14.8.5, 15.7.5, 26.4

Fixed in the same release

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

  • Release ·

    Apple macOS 14.8.5, 15.7.5, 26.4

    40 records Highest priority Priority MEDIUM 3 MEDIUM, 37 LOW

    Other records, highest priority first

    • TI-2026-23021 Path traversal in Apple macOSPriority MEDIUM 42
    • TI-2026-16744 Path traversal in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2026-16756 Protection mechanism failure in Apple macOSPriority LOW 39
    Show all 40 records →
  • Release ·

    Apple iOS and iPadOS 26.4

    16 records Highest priority Priority MEDIUM 3 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2026-23047 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-16744 Path traversal in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2026-23063 Buffer overflow in Apple iOS and iPadOSPriority LOW 39
    Show all 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28894
  2. 2026-10-03 Alias added: GHSA-55pg-vx6v-2jfh

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