CVE-2026-73964Low· 2.7▾ Sunlit

Vulnerability in the RDBMS component of Oracle Database Server

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score15/ 100 · Minimal

impact 14.9 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Oct 20, 2026

Updated

Oct 27, 2026

CVSS

2.7

Vendor

Oracle Corporation

Product

Oracle Database Server

CWE

—

Depth score

15 · Minimal

EPSS

0.30% · p23

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

decided 2026-10-27

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 22.

0.3% → 0.3%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

3 events · 7 days

Oct 20, 2026Published
Disclosed via CVEORG
Oct 22, 2026EPSS first tracked
0.3%
Oct 27, 2026Record revised
Last analysed / modified upstream

Oracle Corporation #cve.org

Affected

oracle_database_server >= 19.3 <= 19.32
oracle_database_server >= 21.3 <= 21.23

Full technical detail▾

Overview

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).

Affected

oracle_database_server >= 19.3 <= 19.32
oracle_database_server >= 21.3 <= 21.23

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Oracle Advisory — https://www.oracle.com/security-alerts/cpuoct2026.html

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org

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CVE-2026-73964Low· 2.7▾ Sunlit

Vulnerability in the RDBMS component of Oracle Database Server

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score15/ 100 · Minimal

impact 14.9 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Oct 20, 2026

Updated

Oct 27, 2026

CVSS

2.7

Vendor

Oracle Corporation

Product

Oracle Database Server

CWE

—

Depth score

15 · Minimal

EPSS

0.30% · p23

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

decided 2026-10-27

Exploitation: none
Automatable: no
Technical impact: partial

EPSS history

Exploit-prediction probability, daily snapshots since Oct 22.

0.3% → 0.3%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

3 events · 7 days

Oct 20, 2026Published
Disclosed via CVEORG
Oct 22, 2026EPSS first tracked
0.3%
Oct 27, 2026Record revised
Last analysed / modified upstream

Oracle Corporation #cve.org

Affected

oracle_database_server >= 19.3 <= 19.32
oracle_database_server >= 21.3 <= 21.23

Full technical detail▾

Overview

Affected

oracle_database_server >= 19.3 <= 19.32
oracle_database_server >= 21.3 <= 21.23

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Oracle Advisory — https://www.oracle.com/security-alerts/cpuoct2026.html

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org