High severity · published Jul 21, 2026
CVE-2026-47018
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager)
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Siebel CRM Cloud Applications · Oracle Corporation
22.3 through 26.5 · source: vendor
SC
Siebel Crm · Oracle
22.3 through 26.5 · source: NVD
Affected product
SC
Siebel CRM Cloud Applications
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47018
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47018
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2026.html
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