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TI-2026-16683 Aliases CVE-2026-20626GHSA-2hr4-372m-m24q

Missing authorization in Apple iOS and iPadOS

Priority LOW 35CWE-862Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-862.

Summary

This issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Tahoe 26.3, visionOS 26.3. A malicious app may be able to gain root privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00148 3rd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.3macOS (Apple): 15.7.4, 26.3+1 more product

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 26.326.3Patch availableCNA
ApplemacOSbefore 15.7.4; before 26.315.7.4, 26.3Patch availableCNA
ApplevisionOSbefore 26.326.3Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
  • macOS VendorApple Affected before 15.7.4; before 26.3 Fixed in 15.7.4, 26.3 Patch available CNA
  • visionOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.3VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*15.0 to before 15.7.4; 26.0 to before 26.3VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 26.3VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 15.0 to before 15.7.4; 26.0 to before 26.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.3
  • Fix · CNA macOS (Apple) Fixed in 15.7.4, 26.3
  • Fix · CNA visionOS (Apple) Fixed in 26.3

Fixed in the same release

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

  • Release ·

    Apple visionOS 26.3

    26 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2026-16733 Time-of-check time-of-use race condition in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-16673 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    Show all 26 records →
  • Release ·

    Apple iOS and iPadOS 26.3

    15 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2026-16707 Uncontrolled resource consumption in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-16723 Protection mechanism failure in Apple iOS and iPadOSPriority LOW 39
    Show all 15 records →
Show 1 more group
  • Release ·

    Apple macOS 15.7.4, 26.3

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-16680 Information disclosure in Apple macOSPriority LOW 24
    • TI-2026-16676 Information disclosure in Apple macOSPriority LOW 24
    • TI-2026-16718 Information disclosure in Apple macOSPriority LOW 20
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20626
  2. 2026-10-03 Alias added: GHSA-2hr4-372m-m24q

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