Improper input validation in macOS - CVE-2026-43690
Published: September 15, 2026
Vulnerability identifier: #VU149831
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43690
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an unspecified flaw in SMB when accessing the system locally. A local user can exploit the vulnerability to disclose sensitive information.
Affected software
macOS
How to mitigate CVE-2026-43690
Install update from vendor's website.
macOS - addressed in versions 26.7 25G229, 15.8 24H23