CVE-2026-40953

A medium severity vulnerability in Secure Access clients prior to 14.55

Published: July 8, 2026

CVE-2026-40953 is a heap buffer overflow in the certificate parsing function of Secure Access clients prior to 14.55. Attackers with local access and administrator permissions can create a denial of service attack against the client over which they have control.

https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N