What is CVE-2026-46833?

CVE-2026-46833 is a critical-severity vulnerability in Oracle Database Server. CVSS score: 9.0/10. Published 2026-05-28.

How severe is CVE-2026-46833?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Vulnerability in Oracle Database Server

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).

EPSS: 0.003 (25.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Oracle Database_server
Oracle Corporation Database Server — versions 23.4.0

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-46833?: CVE-2026-46833 is a critical-severity vulnerability in Oracle Database Server. CVSS score: 9.0/10. Published 2026-05-28.
How severe is CVE-2026-46833?: Critical severity. CVSS v3 base score is 9.0 out of 10.