Unrated severityNVD Advisory· Published Oct 20, 2026

CVE-2026-86981

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 Inc./macOS Sequoiallm-fuzzy
Range: 15.8
Apple Inc./macOS Tahoellm-fuzzy
Range: 26.7

Patches

Vulnerability mechanics

References

support.apple.com/en-us/149042nvd
support.apple.com/en-us/149043nvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000