by Kastro
Paper/Archive/CVE-2026-43779

CVE-2026-43779

Apple macOS — A logic issue was addressed with improved restrictions.

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 45.5.455 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A logic issue was addressed with improved restrictions. 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 intercept network connections intended for another process.

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