Privilege escalation in Oracle Corporation Database Server

CVE-2026-83272

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).

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-83272: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83272?
CVE-2026-83272 is a high-severity vulnerability in Oracle Corporation Database Server, classified under Improper Privilege Management. CVSS score: 8.5/10. Published 2026-09-15.
How severe is CVE-2026-83272?
High severity. CVSS v3 base score is 8.5 out of 10.