High severity · published Sep 15, 2026
CVE-2026-83223
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Siebel Remote)
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Siebel Remote). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Siebel CRM Deployment · Oracle Corporation
17.0 through 26.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-83223
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-83223
www.oracle.com
https://www.oracle.com/security-alerts/cspusep2026.html
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