CVE-2026-10543 IBM® Db2® is vulnerable to privilege escalation with a specially crafted query

High 8.2 Published Updated

Attackers can escalate privileges in IBM Db2 by submitting a specially crafted query, requiring immediate patching.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10543?

CVE-2026-10543 is a high-severity vulnerability in Ibm Db2, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-285

Which versions are affected by CVE-2026-10543?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2026-10543?

No fix has been published for CVE-2026-10543 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-10543 being exploited?

There is no known exploitation of CVE-2026-10543 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-x2q5-8g6f-pv4c.

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