SecuriTricks - 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).

Product(s) Impacted

Vendor	Product	Versions
Oracle	Database Server Net Service	23.4.0-23.26.2 23.4.0-23.26.2

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	oracle	database_server	23.4.0-23.26.2	/	/	/	/	/	/	/
a	oracle	net_service	23.4.0-23.26.2	/	/	/	/	/	/	/

References

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

CVSS Score

9.0 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: May 28, 2026, 9:16 p.m.
Last Modified: May 29, 2026, 2:47 a.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-46833