Buffer overflow in Absolute Secure_access

CVE-2026-40950

CVE-2026-40950 is a buffer overflow vulnerability in the Secure Access server prior to 14.50. Attackers with control of a modified client can send a specially crafted message to the server and cause a denial of service

Vulnerability class: Buffer Overflow

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40950?
CVE-2026-40950 is a medium-severity vulnerability in Absolute Secure_access, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-04-30.
How severe is CVE-2026-40950?
Medium severity. CVSS v3 base score is 6.5 out of 10.