CVE-2026-46833

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).

CVSS v3.1 Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0033

Probability of exploitation

0.24%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Affected Products

Vendor	Product	Versions
oracle	database_server	23.4.0 — 23.26.2

References

Advisories & Patches

https://www.oracle.com/security-alerts/cspumay2026.html

Frequently Asked Questions

What is CVE-2026-46833? +

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). It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2026-46833? +

CVE-2026-46833 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0033, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-46833? +

CVE-2026-46833 affects products from oracle, specifically: database_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-46833? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-35308 10.0

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars). Supported versions that are affected …

CVE-2026-46798 10.0

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are …

CVE-2026-35307 10.0

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, …

CVE-2026-46800 10.0

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are …

CVE-2026-35268 9.9

Vulnerability in the Identity Manager product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and …

CVE-2026-35294 9.9

Vulnerability in the Identity Manager Connector product of Oracle Fusion Middleware (component: Mainframe Connectors). Supported versions that are affected are …