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
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 67% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 59(Track)EG Risk 59/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 33%
- KEV
- Not listed
Published
August 12, 2026
Last Modified
August 18, 2026
Advisory Details (1)
Auto-updated Aug 18, 2026Security Bulletin: IBM® Db2® is vulnerable to privilege escalation with a specially crafted query (CVE-2026-10543)
https://www.ibm.com/support/pages/node/7282949Vendor Advisories for CVE-2026-10543(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 39× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-21 03:48 UTCGHSA enrichment
- 2026-08-21 00:08 UTCEG score recompute
- 2026-08-21 00:08 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 20:28 UTCGHSA enrichment
- 2026-08-20 16:48 UTCGHSA enrichment
- 2026-08-20 13:07 UTCGHSA enrichment
- 2026-08-20 09:16 UTCGHSA enrichment
- 2026-08-20 05:36 UTCGHSA enrichment
- 2026-08-20 01:55 UTCGHSA enrichment
- 2026-08-19 22:14 UTCGHSA enrichment
- 2026-08-19 18:33 UTCEG score recompute
- 2026-08-19 18:33 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 14:05 UTCGHSA enrichment
- 2026-08-19 10:25 UTCGHSA enrichment
- 2026-08-19 06:45 UTCGHSA enrichment
- 2026-08-19 02:55 UTCGHSA enrichment
- 2026-08-18 22:54 UTCGHSA enrichment
- 2026-08-18 19:14 UTCGHSA enrichment
- 2026-08-18 15:33 UTCEG score recompute▲ 1.60
- 2026-08-18 15:33 UTCGHSA enrichment
- 2026-08-18 15:18 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 06:48 UTCGHSA enrichment
Show 25 moreShow fewer
- 2026-08-17 17:32 UTCEG score recompute
- 2026-08-17 17:32 UTCGHSA enrichment
- 2026-08-17 04:20 UTCGHSA enrichment
- 2026-08-16 15:08 UTCEG score recompute
- 2026-08-16 15:08 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-16 01:56 UTCGHSA enrichment
- 2026-08-15 12:44 UTCEG score recompute
- 2026-08-15 12:44 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 23:25 UTCGHSA enrichment
- 2026-08-14 10:13 UTCEG score recompute
- 2026-08-14 10:13 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 21:01 UTCGHSA enrichment
- 2026-08-13 15:26 UTCEG score recompute
- 2026-08-13 15:26 UTCGHSA enrichment
- 2026-08-13 14:24 UTCEG score recompute
- 2026-08-13 14:24 UTCGHSA enrichment
- 2026-08-13 10:32 UTCEG score recompute
- 2026-08-13 10:32 UTCGHSA enrichment
- 2026-08-12 21:20 UTCEG score recompute
- 2026-08-12 21:01 UTCEG score recompute
- 2026-08-12 21:00 UTCMITRE cvelistV5first tracked
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Same CWE
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Frequently asked(5)
What is CVE-2026-10543?
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What is the CVSS score of CVE-2026-10543?
How do I remediate CVE-2026-10543?
Dependency Blast Radius
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