What is CVE-2026-84290?

CVE-2026-84290 is a medium-severity vulnerability in IBM Guardium Data Protection, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.1/10. Published 2026-10-08.

How severe is CVE-2026-84290?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Buffer overflow in IBM Guardium Data Protection

CVE-2026-84290

IBM Guardium Data Protection 12.0, 12.1, 12.2 is affected by an improper validation of user-supplied pointers in the WfpMonitor kernel driver. Certain METHOD_NEITHER IOCTL handlers dereference user-controlled pointers without adequate probing and exception handling, potentially allowing a privileged local attacker to cause a system crash or perform limited kernel-memory reads.

Vulnerability class: Buffer Overflow

Published 2026-10-08 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/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 12.0, 12.1, 12.2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.ibm.com/support/pages/node/7291676 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-84290?: CVE-2026-84290 is a medium-severity vulnerability in IBM Guardium Data Protection, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.1/10. Published 2026-10-08.
How severe is CVE-2026-84290?: Medium severity. CVSS v3 base score is 5.1 out of 10.