What is CVE-2026-84271?

CVE-2026-84271 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2026-10-08.

How severe is CVE-2026-84271?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Guardium Data Protection

CVE-2026-84271

IBM Guardium Data Protection 12.2 is vulnerable to a signature verification bypass in the patch installer. An attacker with local access could exploit this vulnerability to execute arbitrary code with root privileges.

Vulnerability class: Race Condition

Published 2026-10-08 · last modified 2026-10-09.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/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
IBM Guardium Data Protection — versions 12.2

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-84271?: CVE-2026-84271 is a high-severity vulnerability in IBM Guardium Data Protection, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2026-10-08.
How severe is CVE-2026-84271?: High severity. CVSS v3 base score is 7.8 out of 10.