by Kastro
Paper/Archive/CVE-2026-64694

CVE-2026-64694

Apple macOS — An integer overflow was addressed with improved input validation.

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 48.0.480 × 209.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Affected

ProductAffectedFixed inSource
macOS< 14.8.814.8.8CNA
macOS< 15.7.815.7.8CNA
macOS< 26.626.6CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.apple.com/en-us/128067refsupport.apple.com/en-us/128071refsupport.apple.com/en-us/128072