CVE-2026-83348
High
Description
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create DB Link privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
SeverityHigh
CVSS8.8
Exploit probability—
ProductOracle Database Server
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Corporation Oracle Database Server | 19.3 ≤ v ≤ 19.32, 21.3 ≤ v ≤ 21.23, 23.4.0 ≤ v ≤ 23.26.3 | — |
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