What’s Vulnerable › Vulnerabilities

CVE-2026-43788

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-10-26
• Weakness: CWE-190

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

Affected products

• Apple macOS: before 27.0 — fixed in 27.0
• Apple macOS: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple macOS 27.0; Apple macOS 27. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/149035

Get alerted when CVE-2026-43788 or the next vulnerability affects your stack