Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination.
Published: 2026-07-27
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 18 Aug 2026 02:00:00 +0200

Type Values Removed Values Added
Title Out‑of‑Bounds Write Causes Remote System Termination on Apple Operating Systems

Mon, 17 Aug 2026 23:45:00 +0200

Type Values Removed Values Added
Description An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination.
References

Mon, 03 Aug 2026 18:15:00 +0200

Type Values Removed Values Added
Title Out‑of‑Bounds Write Causes Remote System Termination on Apple Operating Systems

Tue, 28 Jul 2026 18:15:00 +0200

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 28 Jul 2026 03:45:00 +0200

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple tvos
Apple visionos
Apple watchos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple tvos
Apple visionos
Apple watchos

Mon, 27 Jul 2026 22:30:00 +0200

Type Values Removed Values Added
Description An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-08-17T21:30:57.996Z

Reserved: 2026-05-01T22:46:27.821Z

Link: CVE-2026-43803

cve-icon Vulnrichment

Updated: 2026-07-28T13:48:20.690Z

cve-icon NVD

Status : Modified

Published: 2026-07-27T21:17:03.547

Modified: 2026-08-17T22:17:12.593

Link: CVE-2026-43803

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T01:45:03Z

Weaknesses