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CVE-2026-10543 is an improper authorization vulnerability in IBM Db2 Server that permits privilege escalation through a specially crafted query. It affects Db2 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 on supported platforms, including Windows, AIX, Linux, and Linux on IBM Z. The defect is associated with authorization handling in Db2 functionality; IBM has not published reproduction details.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A privilege escalation vulnerability in IBM Db2 affecting versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5, exploitable via a specially crafted query.
A high-severity privilege escalation vulnerability in IBM Db2 that could allow attackers to gain elevated user privileges.
A privilege escalation vulnerability in IBM Db2 that can be triggered with a specially crafted query. It is significant because it affects supported Db2 server releases across all platforms and has a CVSS 8.2 severity.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.