What’s Vulnerable › Vulnerabilities
CVE-2026-84539
- Severity: unknown
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-26 · updated 2026-10-27
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.
Affected products
- Apple macOS: before 26.7.2; before 27 — fixed in 26.7.2, 27
How to fix
Upgrade to a fixed version: Apple macOS 26.7.2, 27. Check the vendor advisory for mitigations.
References
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