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CVE WatchSep 16, 2026

CVE-2026-83271

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

CVSS

8.8

High

EPSS

—

KEV

—

Exploit Today

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0-100

Published: Sep 15, 2026 · Last modified: Sep 16, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical 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 Execute on DBMS_REDEFINITION 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).

Official references
Related CVEs

No related CVEs by CWE or product.