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TI-2023-21217 Aliases CVE-2023-40398GHSA-w6q7-cfhp-wrjq

Apple macOS: A sandboxed process may be able to circumvent sandbox restrictions

Priority LOW 37Published · Updated

Key facts

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

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

Summary

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.4, macOS Big Sur 11.7.5, macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. A sandboxed process may be able to circumvent sandbox restrictions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00193 8th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.3, 12.6, 11.7iOS and iPadOS (Apple): 16.4

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
ApplemacOSbefore 13.313.3Patch availableCNA
AppleiOS and iPadOSbefore 16.416.4Patch availableCNA
ApplemacOSbefore 12.612.6Patch availableCNA
ApplemacOSbefore 11.711.7Patch availableCNA
  • macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA
  • macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
  • macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 11.7.5; 12.0 to before 12.6.4; 13.0 to before 13.3VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.7.5; 12.0 to before 12.6.4; 13.0 to before 13.3 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.3
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.4
  • Fix · CNA macOS (Apple) Fixed in 12.6
  • Fix · CNA macOS (Apple) Fixed in 11.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40398
  2. 2026-10-03 Alias added: GHSA-w6q7-cfhp-wrjq

References

  • 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