What is CVE-2026-73966?

CVE-2026-73966 is a high-severity vulnerability in Oracle Corporation Siebel Apps - Marketing, classified under Improper Access Control. CVSS score: 7.2/10. Published 2026-09-15.

How severe is CVE-2026-73966?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Oracle Corporation Siebel Apps - Marketing

CVE-2026-73966

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Marketing. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Corporation Siebel Apps - Marketing

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secalert_us@oracle.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-73966?: CVE-2026-73966 is a high-severity vulnerability in Oracle Corporation Siebel Apps - Marketing, classified under Improper Access Control. CVSS score: 7.2/10. Published 2026-09-15.
How severe is CVE-2026-73966?: High severity. CVSS v3 base score is 7.2 out of 10.