CVE-2026-20637

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

• CWE-416

• https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126351Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126352Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126353Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126793Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126795Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126796Release Notes, Vendor Advisory

Published

Mar 25, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• 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-2026-20631A logic issue was addressed with improved checks. This issue…8.8
• CVE-2026-20632A parsing issue in the handling of directory paths was addre…5.3
• CVE-2026-20633This issue was addressed with improved handling of symlinks.…5.5
• CVE-2026-20634The issue was addressed with improved memory handling. This …5.5
• CVE-2026-20635The issue was addressed with improved memory handling. This …4.3
• CVE-2026-20636The issue was addressed with improved memory handling. This …6.5
• CVE-2026-20638A logic issue was addressed with improved checks. This issue…5.5
• CVE-2026-20639An integer overflow was addressed with improved input valida…7.5
• CVE-2026-2064A vulnerability was identified in Portabilis i-Educar up to …5.4
• CVE-2026-20640An inconsistent user interface issue was addressed with impr…4.6
• CVE-2026-20641A privacy issue was addressed with improved checks. This iss…7.1
• CVE-2026-20642An input validation issue was addressed. This issue is fixed…2.4