Out-of-bounds write in macOS - CVE-2026-43745
Published: July 8, 2026
Vulnerability identifier: #VU137110
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43745
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds write in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.
How to mitigate CVE-2026-43745
Install update from vendor's website.