CVE-2026-46833NVD

Vulnerability Summary

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).

Severity Level

CRITICAL(9.0)

Published Date

May 28, 2026

Last Modified

Jul 21, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.33%Probability

Root Weakness (CWE)

N/A

CVSS v3.1 Base Metrics — Score 9.0 (CRITICAL)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Oracle Database Server >= 23.4.0 and <= 23.26.2

Patched Versions

Not provided by NVD for this CVE.

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