Buffer overflow in macOS - CVE-2026-65374
Published: September 15, 2026
Vulnerability identifier: #VU149862
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65374
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing WebDav responses. A remote attacker can trick the victim into connecting to a malicious WebDav server, trigger memory corruption and execute arbitrary code on the target system.
Affected software
macOS
How to mitigate CVE-2026-65374
Install updates from vendor's website.
macOS - addressed in versions 26.7 25G229, 15.8 24H23