What is CVE-2026-105465?

CVE-2026-105465 is a high-severity vulnerability in IBM Db2, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-10-12.

How severe is CVE-2026-105465?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in IBM Db2

CVE-2026-105465

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation when db2locssh is enabled with the db2 instance.

Vulnerability class: Privilege Escalation

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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 Db2

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

www.ibm.com/support/pages/node/7291609 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-105465?: CVE-2026-105465 is a high-severity vulnerability in IBM Db2, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-10-12.
How severe is CVE-2026-105465?: High severity. CVSS v3 base score is 8.8 out of 10.