Buffer overflow in Absolute Secure_access

CVE-2026-33447

CVE-2026-33447 is a buffer overflow in a message parsing function of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-33447?
CVE-2026-33447 is a critical-severity vulnerability in Absolute Secure_access, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-04-30.
How severe is CVE-2026-33447?
Critical severity. CVSS v3 base score is 9.8 out of 10.