What is CVE-2026-84862?

CVE-2026-84862 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-09-25.

How severe is CVE-2026-84862?

High severity. CVSS v3 base score is 7.2 out of 10.

Deserialization in IBM Guardium Data Protection

CVE-2026-84862

IBM Guardium Data Protection 12.2 is vulnerable to insecure deserialization in the Quartz JDBC job store. An authenticated attacker could exploit this vulnerability to execute arbitrary code on the affected system.

Vulnerability class: Insecure Deserialization

Published 2026-09-25 · last modified 2026-09-26.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Guardium Data Protection — versions 12.2

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.ibm.com/support/pages/node/7288040 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-84862?: CVE-2026-84862 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-09-25.
How severe is CVE-2026-84862?: High severity. CVSS v3 base score is 7.2 out of 10.