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TI-2022-10015 Aliases CVE-2022-26766GHSA-cjx9-rgqh-q7cc

Improper certificate validation in Apple watchOS

Priority LOW 30CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-295.

Summary

A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. A malicious app may be able to bypass signature validation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02808 86th percentileScored 2026-11-07
Fix Fixed watchOS (Apple): 8.6, 15.5, 2022 +2

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
ApplewatchOSbefore 8.68.6Patch availableCNA
ApplewatchOSbefore 15.515.5Patch availableCNA
ApplewatchOSbefore 20222022Patch availableCNA
ApplewatchOSbefore 11.611.6Patch availableCNA
ApplewatchOSbefore 12.412.4Patch availableCNA
ApplewatchOSbefore 15.515.5Patch availableCNA
  • watchOS VendorApple Affected before 8.6 Fixed in 8.6 Patch available CNA
  • watchOS VendorApple Affected before 15.5 Fixed in 15.5 Patch available CNA
  • watchOS VendorApple Affected before 2022 Fixed in 2022 Patch available CNA
  • watchOS VendorApple Affected before 11.6 Fixed in 11.6 Patch available CNA
  • watchOS VendorApple Affected before 12.4 Fixed in 12.4 Patch available CNA
  • watchOS VendorApple Affected before 15.5 Fixed in 15.5 Patch available CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.5VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.7VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*10.15.7VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*10.15.7 security_update_2020-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*10.15.7 security_update_2021-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*10.15.7 security_update_2021-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*10.15.7 security_update_2021-003VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*10.15.7 security_update_2021-004VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*10.15.7 security_update_2021-005VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* Versions 10.15.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* Versions 10.15.7 security_update_2020-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* Versions 10.15.7 security_update_2021-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* Versions 10.15.7 security_update_2021-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* Versions 10.15.7 security_update_2021-003 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* Versions 10.15.7 security_update_2021-004 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:* Versions 10.15.7 security_update_2021-005 Vulnerable ·Apple
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*10.15.7 security_update_2021-006VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*10.15.7 security_update_2021-007VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*10.15.7 security_update_2021-008VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*10.15.7 security_update_2022-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*10.15.7 security_update_2022-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*10.15.7 security_update_2022-003VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.6.6; 12.0 to before 12.4VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 15.5VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 8.6VulnerableApple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* Versions 10.15.7 security_update_2021-006 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:* Versions 10.15.7 security_update_2021-007 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:* Versions 10.15.7 security_update_2021-008 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:* Versions 10.15.7 security_update_2022-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:* Versions 10.15.7 security_update_2022-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:* Versions 10.15.7 security_update_2022-003 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.6.6; 12.0 to before 12.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 15.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 8.6 Vulnerable ·Apple

Remediation

  • Fix · CNA watchOS (Apple) Fixed in 8.6
  • Fix · CNA watchOS (Apple) Fixed in 15.5
  • Fix · CNA watchOS (Apple) Fixed in 2022
  • Fix · CNA watchOS (Apple) Fixed in 11.6
  • Fix · CNA watchOS (Apple) Fixed in 12.4
  • Fix · CNA watchOS (Apple) Fixed in 15.5

Fixed in the same release

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

  • Release ·

    Apple watchOS 8.6

    13 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2022-06937 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2022-09967 Integer overflow in Apple watchOSPriority MEDIUM 49
    • TI-2022-10012 Memory corruption in Apple watchOSPriority MEDIUM 43
    Show all 13 records →
  • Release ·

    Apple watchOS 15.5

    12 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2022-06937 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2022-09967 Integer overflow in Apple watchOSPriority MEDIUM 49
    • TI-2022-10012 Memory corruption in Apple watchOSPriority MEDIUM 43
    Show all 12 records →
Show 3 more groups
  • Release ·

    Apple watchOS 12.4

    10 records Highest priority Priority MEDIUM 3 MEDIUM, 7 LOW

    Other records, highest priority first

    Show all 10 records →
  • Release ·

    Apple watchOS 11.6

    8 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2022-06937 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2022-10012 Memory corruption in Apple watchOSPriority MEDIUM 43
    • TI-2022-10007 Use after free in Apple watchOSPriority MEDIUM 40
    Show all 8 records →
  • Release ·

    Apple watchOS 2022

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-26766
  2. 2026-10-03 Alias added: GHSA-cjx9-rgqh-q7cc

References

Advisory 6

  • 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