CVE-2026-84539

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.

• CWE-787

• https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149522Release Notes, Vendor Advisory

Published

Oct 26, 2026

Last Modified

Nov 4, 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-2026-84533A cryptographic issue was addressed with improved integrity …5.3
• CVE-2026-84534A path handling issue was addressed with improved validation…5.5
• CVE-2026-84535An authorization issue was addressed with improved state man…8.2
• CVE-2026-84536An integer underflow was addressed with improved input valid…6.5
• CVE-2026-84537The issue was addressed with improved memory handling. This …6.6
• CVE-2026-84538A denial-of-service issue was addressed with improved input …6.5
• CVE-2026-8454Imager::File::GIF versions through 1.002 for Perl allow a he…5.3
• CVE-2026-84540An authorization issue was addressed with improved state man…5.5
• CVE-2026-84541An input validation issue was addressed with improved input …5.5
• CVE-2026-84542An access issue was addressed with improved access restricti…5.5
• CVE-2026-84543An out-of-bounds access issue was addressed with improved bo…7.5
• CVE-2026-84544An integer overflow was addressed with improved input valida…7.5