--- title: "CVE-2026-83348: Oracle Database Server - Remote Code Execution" description: "Oracle Database Server 19.3-19.32, 21.3-21.23, and 23.4.0-23.26.3 contain a remote code execution caused by improper privilege validation in RDBMS component, letting low privileged attackers with Create DB Link privilege takeover the RDBMS, exploit requires network access via Oracle Net." url: https://panop.io/threat-heartbeat/CVE-2026-83348/ --- # CVE-2026-83348 Oracle Database Server - Remote Code Execution Oracle Database Server 19.3-19.32, 21.3-21.23, and 23.4.0-23.26.3 contain a remote code execution caused by improper privilege validation in RDBMS component, letting low privileged attackers with Create DB Link privilege takeover the RDBMS, exploit requires network access via Oracle Net. CVSS base score 8.8 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.42% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83348) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Published 15 September 2026 Updated 15 October 2026 Weakness [CWE-269](https://cwe.mitre.org/data/definitions/269.html) ## Vendor fix Update to the latest available Oracle Database Server version beyond 23.26.3. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-83348](https://nvd.nist.gov/vuln/detail/CVE-2026-83348) - [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)