What’s Vulnerable › Vulnerabilities
CVE-2026-86981
- Severity: medium (CVSS 5.5 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: 2026-10-20 · updated 2026-10-29
- Weakness: CWE-787
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Affected products
- Apple macOS: from 15.0 before 15.8; from 26.0 before 26.7 — fixed in 15.8, 26.7
- Apple macOS: before 15.8; before 26.7 — fixed in 15.8, 26.7
How to fix
Upgrade to a fixed version: Apple macOS 15.8, 26.7; Apple macOS 15.8, 26.7. Check the vendor advisory for mitigations.
References
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