# 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.

Source: https://junglewise.ai/threats/cve-2026-10543-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-12  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/db2). Vendors: [IBM](https://junglewise.ai/threats/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

## Related threats

- [IBM Db2 denial of service in Materialized Query Table query processing](https://junglewise.ai/threats/cve-2026-113698-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is)
- [IBM Db2 denial of service in Materialized Query Table](https://junglewise.ai/threats/cve-2026-104332-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is)
- [IBM Db2 local privilege escalation in db2pd utility](https://junglewise.ai/threats/cve-2026-78404-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is)
- [IBM Db2 arbitrary library loading via CREATE WRAPPER](https://junglewise.ai/threats/cve-2026-18166-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-for-linux)
- [IBM Db2 denial of service in XML column insertion](https://junglewise.ai/threats/cve-2026-105466-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is)