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TI-2026-16717 Aliases CVE-2026-20661GHSA-v9g2-54rr-mxmg

Improper authorization in Apple iOS and iPadOS

Priority LOW 20CWE-285Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-285.

Summary

An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. An attacker with physical access to a locked device may be able to view sensitive user information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00181 7th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.7.5, 26.3

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 18.7.5; before 26.318.7.5, 26.3Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 18.7.5; before 26.3 Fixed in 18.7.5, 26.3 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.7.5; 26.0 to before 26.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.7.5; 26.0 to before 26.3VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.7.5; 26.0 to before 26.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.7.5; 26.0 to before 26.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.5, 26.3

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 18.7.5, 26.3

    23 records Highest priority Priority MEDIUM 2 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2026-16733 Time-of-check time-of-use race condition in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-16709 Uncontrolled resource consumption in Apple SafariPriority MEDIUM 40
    • TI-2026-16731 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 23 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20661
  2. 2026-10-03 Alias added: GHSA-v9g2-54rr-mxmg

References

Advisory 2

  • 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