What is CVE-2026-84036?

CVE-2026-84036 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Improper Authorization. CVSS score: 7.4/10. Published 2026-09-18.

How severe is CVE-2026-84036?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in IBM Guardium Data Protection

CVE-2026-84036

IBM Guardium Data Protection 12.2 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization.

Published 2026-09-18 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored 2026-11-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

IBM Guardium Data Protection — versions 12.2
IBM Guardium Data Protection — versions 12.2

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

www.ibm.com/support/pages/node/7288035 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-84036?: CVE-2026-84036 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Improper Authorization. CVSS score: 7.4/10. Published 2026-09-18.
How severe is CVE-2026-84036?: High severity. CVSS v3 base score is 7.4 out of 10.