CVE-2026-83222: Oracle Siebel CRM Deployment denial of service in Server Infrastructure

CVE-2026-83222 · Severity: high · CVSS 7.5 · Published 2026-09-15

Oracle Siebel CRM Deployment is a customer relationship management platform used by enterprises to manage sales, service, and customer interactions. An unauthenticated attacker can remotely crash or hang the Siebel server through multiple network protocols, causing complete service unavailability and business disruption for all dependent operations.

Technologies: Oracle Siebel CRM, Oracle Siebel CRM Deployment. Vendors: Oracle.

Quick answers

Is CVE-2026-83222 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83222 being exploited in the wild.
How severe is CVE-2026-83222?
High severity, with a CVSS score of 7.5, published 15 September 2026.
Which products and versions are affected?
Oracle Siebel CRM Deployment 17.0-26.7.
Is there a fix for CVE-2026-83222?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-83222 attacked?
It is attacked over the network.
Am I affected by CVE-2026-83222?
Check whether you run Oracle Siebel CRM or Oracle Siebel CRM Deployment at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is a denial-of-service vulnerability in the Server Infrastructure component of Siebel CRM Deployment. The vulnerability is easily exploitable and requires no authentication, with an attacker needing only network access via multiple protocols to trigger the flaw. Successful exploitation causes the Siebel CRM Deployment service to hang or crash repeatedly, resulting in complete availability loss. The vulnerability affects versions 17.0 through 26.7.

Affected products

  • Oracle Siebel CRM Deployment 17.0-26.7

Timeline

  • 2026-09-15: disclosed
  • other: CVE-2026-83222 assigned

References

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