Read the docs
TI-2024-18467 Aliases CVE-2024-27855GHSA-26hp-vwv6-p4qg

Improper access control in Apple iOS and iPadOS

Priority MEDIUM 41CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
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-284.

Summary

The issue was addressed with improved checks. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, macOS Ventura 13.6.7. A shortcut may be able to use sensitive data with certain actions without prompting the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00718 54th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 16.7.8, 17.5macOS (Apple): 13.6.7, 14.5

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 16.7.8; before 17.516.7.8, 17.5Patch availableCNA
ApplemacOSbefore 13.6.7; before 14.513.6.7, 14.5Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 16.7.8; before 17.5 Fixed in 16.7.8, 17.5 Patch available CNA
  • macOS VendorApple Affected before 13.6.7; before 14.5 Fixed in 13.6.7, 14.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.7.8; 17.0 to before 17.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.7.8; 17.0 to before 17.5VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 13.6.7; 14.0 to before 14.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.7.8; 17.0 to before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.7.8; 17.0 to before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.6.7; 14.0 to before 14.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.7.8, 17.5
  • Fix · CNA macOS (Apple) Fixed in 13.6.7, 14.5

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 16.7.8, 17.5

    14 records Highest priority Priority MEDIUM 5 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2024-18434 Memory corruption in Apple SafariPriority MEDIUM 48
    • TI-2024-18447 Integer overflow in Apple SafariPriority MEDIUM 42
    • TI-2024-18445 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 14 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27855
  2. 2026-10-03 Alias added: GHSA-26hp-vwv6-p4qg

References

Advisory 8

Other 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