IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.
CVE-2026-16480
This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% 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
- 7.1
- EG Score
- 7.1(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: 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 computedSeverity71% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 27%
- KEV
- Not listed
Published
August 12, 2026
Last Modified
August 18, 2026
Advisory Details (1)
Auto-updated Aug 12, 2026Security Bulletin: IBM® Db2® is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data. (CVE-2026-16480)
https://www.ibm.com/support/pages/node/7282951Vendor Advisories for CVE-2026-16480(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 26× in last 7d / 35× 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 03:56 UTCEG score recompute
- 2026-08-21 03:55 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 16:48 UTCGHSA enrichment
- 2026-08-20 05:41 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 06:21 UTCGHSA enrichment
- 2026-08-18 19:04 UTCEG score recompute▲ 2.80
- 2026-08-18 19:04 UTCGHSA enrichment
- 2026-08-18 19:03 UTCNVD updateCVSS v3 → 7.1 · severity → HIGH
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 11:12 UTCEG score recompute
- 2026-08-18 11:11 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 13:07 UTCGHSA enrichment
- 2026-08-16 15:06 UTCEG score recompute
- 2026-08-16 15:06 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 17:05 UTCEG score recompute
- 2026-08-15 17:05 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 19:03 UTCEG score recompute
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- 2026-08-14 19:03 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 21:01 UTCGHSA enrichment
- 2026-08-13 14:24 UTCEG score recompute
- 2026-08-13 14:24 UTCGHSA enrichment
- 2026-08-13 13:56 UTCEG score recompute
- 2026-08-13 13:56 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
Frequently asked(5)
What is CVE-2026-16480?
When was CVE-2026-16480 disclosed?
Is CVE-2026-16480 actively exploited?
What is the CVSS score of CVE-2026-16480?
How do I remediate CVE-2026-16480?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-16480
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