Vulnerability in Oracle Corporation Database Server
CVE-2026-83088
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS. CVSS 3.1 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-83088?
- CVE-2026-83088 is a high-severity vulnerability in Oracle Corporation Database Server, classified under Improper Access Control. CVSS score: 7.7/10. Published 2026-09-15.
- How severe is CVE-2026-83088?
- High severity. CVSS v3 base score is 7.7 out of 10.