CVE-2026-46835: High severity Oracle Oracle Database Server vulnerability

Published May 28, 2026
·
Updated

Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Net Service. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Affected Software

2 affected components
Oracle Oracle Database Server>=23.4.0<=23.26.2
Oracle Database Server>=23.4.0<=23.26.2

Event History

May 28, 2026
CVE Published
via MITRE·08:17 PM
Data Sourced
via MITRE·08:17 PM
DescriptionSeverity
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-46835?

The severity of CVE-2026-46835 is high with a score of 7.5.

2

How do I fix CVE-2026-46835?

To fix CVE-2026-46835, you should update your Oracle Database Server to a patched version that addresses this vulnerability.

3

What impact does CVE-2026-46835 have on affected systems?

CVE-2026-46835 can allow an unauthenticated attacker with network access via TLS to compromise the Net Service component.

4

Who is affected by CVE-2026-46835?

Supported versions of Oracle Database Server from 23.4.0 to 23.26.2 are affected by CVE-2026-46835.

5

Is CVE-2026-46835 easy to exploit?

Yes, CVE-2026-46835 is considered easily exploitable due to its requirement for only network access via TLS.

Contact

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