CVE-2026-46833

Critical

Description

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).

SeverityCritical
CVSS9.0
Exploit probability—
ProductOracle Database Server
PublishedMay 28, 2026
First seenMay 28, 2026

How to fix

Affected products

ProductAffected versionsFixed in
oracle database_server23.4.0 ≤ v ≤ 23.26.2—

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