Buffer overflow in Absolute Secure Access

CVE-2026-33446

CVE-2026-33446 is a buffer overflow in the authentication sub-system 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 leading to memory corruption or a denial of service.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.005 (42.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-33446: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-33446?
CVE-2026-33446 is a critical-severity vulnerability in Absolute Secure Access, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-04-30.
How severe is CVE-2026-33446?
Critical severity. CVSS v3 base score is 9.8 out of 10.