CVE-2026-10543: 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.

CVE-2026-10543 · Severity: high · CVSS 8.2 · Published 2026-08-12

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.

Technologies: IBM Db2. Vendors: IBM.

Quick answers

Is CVE-2026-10543 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-10543 being exploited in the wild.
How severe is CVE-2026-10543?
High severity, with a CVSS score of 8.2, published 12 August 2026.
Which products and versions are affected?
IBM Db2. The advisory does not name versions.
Is there a fix for CVE-2026-10543?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-10543?
Check whether you run IBM Db2. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • IBM Db2

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