CVE-2026-84590

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.

• CWE-787

• https://support.apple.com/en-us/149521Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149522Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149523Release 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.

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• CVE-2026-84585A permissions issue was addressed with improved state manage…5.5
• CVE-2026-84586An information disclosure issue was addressed with improved …5.5
• CVE-2026-84587A permissions issue was addressed with additional restrictio…5.5
• CVE-2026-84588A memory corruption issue was addressed by removing the vuln…6.5
• CVE-2026-84589A permissions issue was addressed with additional restrictio…5.5
• CVE-2026-84593A use after free issue was addressed with improved memory ma…5.5
• CVE-2026-84594A logic issue was addressed with improved state management. …5.5
• CVE-2026-84595An out-of-bounds write issue was addressed with improved bou…5.5
• CVE-2026-84596An out-of-bounds read was addressed with improved bounds che…6.5
• CVE-2026-84597An out-of-bounds read issue was addressed with improved inpu…6.5
• CVE-2026-84598A path traversal issue was addressed with improved path vali…7.5