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Vulnerability Intelligence

CVE-2026-83347

Medium 6.5

Published
Last modified
NVD status
Deferred

Description

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

References1

Metrics

CVSS 3.1
6.5 MEDIUM Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS — exploit probability
0% percentile: 29 · as of 7 November 2026
CWE
CWE-400

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