Vulnerability in the RDBMS component of Oracle Database Server.

published 2026-10-20 19 d ago modified 2026-10-27 12 d ago also EUVD-2026-106279

cvss: 2.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32 and 21.3-21.23. Easily exploitable vulnerability allows high privileged attacker having Query Optimizer privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 12 d ago (2026-10-27)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected products

Oracle Corporation Oracle Database Server

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Technology feeds

Oracle Database rss critical rss

References

oracle.com /security-alerts/cpuoct2026.html
vendor-advisory

Sources

CVE List CVE-2026-73964
NVD CVE-2026-73964

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Summary