Integer Overflow Vulnerability in macOS Products by Apple
CVE-2026-65413

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
14 September 2026

What is CVE-2026-65413?

An integer overflow vulnerability was identified in macOS that could exploit improper input validation in applications. This flaw allows applications to potentially disrupt service availability, leading to a denial of service condition. Apple has implemented fixes in the updated versions of macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 to mitigate the issue and enhance the security posture of its operating systems.

Affected Version(s)

macOS 0 < 15.8

macOS 0 < 26.7

macOS 0 < 27

References

https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.