Vulnerability Description
Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Database Server | >= 19.3, <= 19.32 |
Related Weaknesses (CWE)
References
- https://www.oracle.com/security-alerts/cspuaug2026.htmlVendor Advisory
FAQ
What is CVE-2026-71064?
CVE-2026-71064 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability al...
How severe is CVE-2026-71064?
CVE-2026-71064 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-71064?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Database Server.