Vulnerability intelligence

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).

CVSS Score

Critical

EPSS — Exploit Probability

0.3%

Riskier than 25% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

unknown

Check vendor advisories

NVD entry PoC / advisory

1 article across 1 outlet · first covered May 29, 2026 · latest May 29, 2026

Coverage timeline

Oracle patches May 2026 flaws, CVE-2026-46840 CVSS 10.0
securityonline.info · May 29, 2026