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CVE-2026-71064

Published: Aug 18, 2026Updated: Aug 22, 2026 Sources: CVE List NVDNVD-CWE-noinfo
9.6CRITICAL
NVD MITRE
EPSS Score
0.3%
Top 73.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfoCWE-284

Affected Products

Oracle Corporation
commercial·USaka oracle, oracle corp.
database serverOn-premDatabase
Databases / relational
Oracle Database ServerOn-premDatabase
Databases / relational

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-71064?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.oracle.com/security-alerts/cspuaug2026.html
oracle.com

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