CVE-2026-43667

Published Aug 17, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to cause a denial-of-service.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Denial of Service via Assertion Failure on Apple iOS and iPadOS
Type Values Removed Values Added
Description A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10. An attacker in a privileged network position may be able to cause a denial-of-service. A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to cause a denial-of-service.
References
Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Type Values Removed Values Added
Title Denial of Service via Assertion Failure on Apple iOS and iPadOS
Type Values Removed Values Added
Title Denial of Service via Reachable Assertion in iOS and iPadOS
Weaknesses CWE-20
Type Values Removed Values Added
Weaknesses CWE-617
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Denial of Service via Reachable Assertion in iOS and iPadOS
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Vendors & Products Apple
Apple ios And Ipados
Type Values Removed Values Added
Description A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10. An attacker in a privileged network position may be able to cause a denial-of-service.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Aug 25, 2026, 7:24 PM
Reserved
May 1, 2026, 10:46 PM
Status
Modified
Published
Aug 17, 2026, 10:17 PM
Modified
Aug 25, 2026, 8:16 PM