CVE-2026-65413 Integer overflow in macOS

What is CVE-2026-65413?

CVE-2026-65413 is a medium-severity vulnerability in Apple Macos, published on 14 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause a denial of service.

Weakness: CWE-190

Which versions are affected by CVE-2026-65413?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-65413?

No fix has been published for CVE-2026-65413 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-65413 being exploited?

There is no known exploitation of CVE-2026-65413 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h2m2-746h-q47c.