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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

OracleCVE-2026-83271

Oracle Database Server: improper privilege management

Oracle

CVE-2026-83271 · Published Sep 15, 2026 · updated Sep 17, 2026

High8.8
No fix yet
Oracle advisory

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).

Affected versions

PackageAffectedFixed in
Oracle Database Server
Product
>= 19.3, <= 19.32No fix yet
>= 21.3, <= 21.23No fix yet
>= 23.4.0, <= 23.26.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-269

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