by Kastro
Paper/Archive/CVE-2026-46833

CVE-2026-46833

Oracle Corporation Oracle Database Server — Vulnerability in the Net Service component of Oracle Database Server.

EPSS 0.3%CVSS 9.0
critical.is priorityof 100
32
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 26.0.260 × 205.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. While the vulnerability is in Net Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Net Service. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).

Affected

ProductAffectedFixed inSource
Oracle Database Server23.4.0 – 23.26.2–CNA

Scores by source

oracle (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisoryoracle.com/security-alerts/cspumay2026.html