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TI-2024-18454 Aliases CVE-2024-27840GHSA-39m6-6wm4-cm5w

Apple iOS and iPadOS: An attacker that has already achieved kernel code execution may be…

Priority MEDIUM 40CWE-786Published · Updated

Key facts

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

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

Summary

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2, watchOS 10.5. An attacker that has already achieved kernel code execution may be able to bypass kernel memory protections.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0025 16th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 16.7.8, 17.5macOS (Apple): 12.7.5, 13.6.7+3 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 12.7.5; before 13.6.712.7.5, 13.6.7Patch availableCNA
AppletvOSbefore 17.517.5Patch availableCNA
ApplevisionOSbefore 1.21.2Patch availableCNA
ApplewatchOSbefore 10.510.5Patch 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 12.7.5; before 13.6.7 Fixed in 12.7.5, 13.6.7 Patch available CNA
  • tvOS VendorApple Affected before 17.5 Fixed in 17.5 Patch available CNA
  • visionOS VendorApple Affected before 1.2 Fixed in 1.2 Patch available CNA
  • watchOS VendorApple Affected before 10.5 Fixed in 10.5 Patch available CNA

CPE configurations NVD · 6

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:*:*:*:*:*:*:*:*12.0 to before 12.7.5; 13.0 to before 13.6.7VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 1.2VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 10.5VulnerableApple
  • 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 12.0 to before 12.7.5; 13.0 to before 13.6.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 1.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 10.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.7.8, 17.5
  • Fix · CNA macOS (Apple) Fixed in 12.7.5, 13.6.7
  • Fix · CNA tvOS (Apple) Fixed in 17.5
  • Fix · CNA visionOS (Apple) Fixed in 1.2
  • Fix · CNA watchOS (Apple) Fixed in 10.5

Fixed in the same release

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

  • Release ·

    Apple visionOS 1.2

    21 records Highest priority Priority HIGH 2 HIGH, 11 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18458 Apple Safari: A website's permission dialog may persist after navigation away from the…Priority MEDIUM 48
    Show all 21 records →
  • Release ·

    Apple tvOS 17.5

    19 records Highest priority Priority HIGH 2 HIGH, 9 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18446 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority MEDIUM 48
    Show all 19 records →
Show 2 more groups
  • Release ·

    Apple watchOS 10.5

    17 records Highest priority Priority HIGH 2 HIGH, 6 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18446 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority MEDIUM 48
    Show all 17 records →
  • 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-2024-27840
  2. 2026-10-03 Alias added: GHSA-39m6-6wm4-cm5w

References

Advisory 15

Other 7

  • 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