CVE-2026-71063

criticalCVSS 9.6covered by 4 sourcesfirst seen 2026-08-18

A remote, anonymous or authenticated attacker can exploit multiple vulnerabilities in Oracle Database Server to compromise confidentiality, integrity and availability.

CSIRTS triage

What: Multiple vulnerabilities allow remote attackers to compromise confidentiality, integrity, and availability of Oracle Database Server.
Who is affected: Deployments of Oracle Database Server accessible to remote anonymous or authenticated attackers.
Urgency: High severity; database compromise affects all dependent systems.
Action: Apply Oracle security patches addressing CVE-2026-59889, CVE-2026-71062, CVE-2026-71063, CVE-2026-71064, CVE-2026-71100, and CVE-2026-71102.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

Advisory coverage (4)

unknownNCSC-2026-0307 [1.00] [M/H] Vulnerabilities resolved in Oracle Database Productsncsc-nl · 2026-08-19
high[NEW] [high] Oracle Database Server: Multiple vulnerabilitiescert-bund · 2026-08-19
unknownMultiple vulnerabilities in Oracle Database Server (August 19, 2026)cert-fr-avis · 2026-08-19
criticalCVE-2026-71063: Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versi…nvd · 2026-08-18

External references

NVD record for CVE-2026-71063

CVE.org record

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