CVE-2026-43740

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may result in the disclosure of process memory.

• CWE-119
• CWE-416

• https://support.apple.com/en-us/127594Vendor Advisory
• https://support.apple.com/en-us/127595Vendor Advisory
• https://support.apple.com/en-us/127685Vendor Advisory
• https://support.apple.com/en-us/128068
• https://support.apple.com/en-us/128069
• https://support.apple.com/en-us/128070

Published

Jun 29, 2026

Last Modified

Jul 29, 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.

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• CVE-2026-43735The issue was addressed with improved checks. This issue is …8.1
• CVE-2026-43738The issue was addressed with improved memory handling. This …5.5
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• CVE-2026-43742A use-after-free issue was addressed with improved memory ma…6.5
• CVE-2026-43743A race condition was addressed with improved state handling.…4.7
• CVE-2026-43744An out-of-bounds write issue was addressed with improved bou…5.5
• CVE-2026-43745An out-of-bounds write issue was addressed with improved inp…6.5
• CVE-2026-43746A use-after-free issue was addressed with improved memory ma…6.5
• CVE-2026-43747An out-of-bounds read was addressed with improved bounds che…7.1