CVE-2026-65374

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious WebDAV server may result in code execution.

Affected

Apple · macOS

CVSS v3.1 CNA

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.53% chance of exploitation in the next 30 days, 44th percentile

Published

2026-09-14

Updated

2026-09-16

Proof-of-concept exploits (1)

• HORKimhab/CVE-2026-653740★ · 2026-09-16

Security advisories

• https://support.apple.com/en-us/149035
• https://support.apple.com/en-us/149042
• https://support.apple.com/en-us/149043

References

• CVE Record
• NVD entry