CVE-2026-43776

A buffer overflow 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 Tahoe 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

• CWE-120

• https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
• https://support.apple.com/en-us/148287

Published

Jul 27, 2026

Last Modified

Aug 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-43770A race condition was addressed with additional validation. T…4.7
• CVE-2026-43771A stack overflow was addressed with improved input validatio…7.1
• CVE-2026-43772A path traversal issue was addressed with improved input val…8.2
• CVE-2026-43773An out-of-bounds read was addressed with improved bounds che…9.8
• CVE-2026-43774An out-of-bounds read was addressed with improved bounds che…5.5
• CVE-2026-43775An authorization issue was addressed with improved state man…5.5
• CVE-2026-43777This issue was addressed with improved input validation. Thi…7.5
• CVE-2026-43778A use after free issue was addressed with improved memory ma…9.8
• CVE-2026-43779A logic issue was addressed with improved restrictions. This…9.8
• CVE-2026-4378Improper neutralization of input during web page generation …5.4
• CVE-2026-43780An integer overflow was addressed with improved input valida…7.8
• CVE-2026-43781A race condition was addressed with improved state handling.…4.7