How severe is CVE-2026-101503?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Oracle Corporation Trusted Answer Search

CVE-2026-101503

Vulnerability in Oracle Trusted Answer Search (component: PLSQL package). The supported version that is affected is 26.1. Easily exploitable vulnerability allows low privileged attacker with network access via Oracle Net to compromise Oracle Trusted Answer Search. While the vulnerability is in Oracle Trusted Answer Search, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Trusted Answer Search. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

Published 2026-10-20 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Oracle Corporation Trusted Answer Search — versions 26.1

References

www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-101503?: CVE-2026-101503 is a critical-severity vulnerability in Oracle Corporation Trusted Answer Search. CVSS score: 9.9/10. Published 2026-10-20.
How severe is CVE-2026-101503?: Critical severity. CVSS v3 base score is 9.9 out of 10.