CVE-2026-43764 in macOS

Summary

by MITRE • 07/28/2026

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

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• Responsible: Apple
• Reservation: 05/02/2026
• Disclosure: 07/28/2026
• Moderation: accepted
• Entry: VDB-383662
• CPE: ready
• CWE: CWE-190 (confirmed)
• CVSS: 5.0 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Telecommunication, Lawfirm, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-43764
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-43764
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-43764/