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High severity · published Aug 18, 2026
CVE-2026-70856
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration)
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks require human interaction from a person other than the attacker. 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:N/UI:R/S:U/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% 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 26.6 · source: vendor
SC
Siebel Crm · Oracle
17.0 through 26.6 · source: NVD
Affected product
SC
Siebel CRM Deployment
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-70856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-70856
Vendor Advisory
https://www.oracle.com/security-alerts/cspuaug2026.html
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