CVE-2026-10543: IBM DB2

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.

Affected products

• IBM DB2: from 11.5, up to and including 11.5.9; from 12.1.0, up to and including 12.1.5

Published 2026-08-12. Last modified 2026-08-18.