CVE-2026-83272 Privilege escalation in Oracle Database Server

High 8.5 Published Updated

A low-privileged attacker with Create Index privilege can escalate privileges to take over the Oracle Text component in Oracle Database Server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-83272?

CVE-2026-83272 is a high-severity vulnerability in Oracle Database Server, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Text 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. Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text. While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-83272?

How do I fix CVE-2026-83272?

No fix has been published for CVE-2026-83272 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83272 being exploited?

There is no known exploitation of CVE-2026-83272 in the wild and no public exploit code.

Sources

Also known as GHSA-66hf-538v-h8q3.

Is CVE-2026-83272 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free