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PatchSiren cyber security CVE debrief

CVE-2026-101464 Oracle Corporation CVE debrief

A vulnerability in Siebel CRM Deployment, a product of Oracle Siebel CRM, has been identified. The vulnerability affects versions 17.0 through 26.9 and allows a low-privileged attacker with logon access to the infrastructure where Siebel CRM Deployment executes to compromise the deployment. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Siebel CRM Deployment accessible data, as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data.

Vendor
Oracle Corporation
Product
Siebel CRM Deployment
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-21
Advisory published
2026-10-20
Advisory updated
2026-10-21

Who should care

Defenders and administrators of Siebel CRM Deployment, especially those with versions 17.0 through 26.9, should assess exposure and implement necessary controls to prevent exploitation.

Why it matters

CVE-2026-101464 is a high-severity vulnerability in Siebel CRM Deployment that allows low-privileged attackers to compromise the deployment, potentially leading to unauthorized data access or modification. Defenders should prioritize verifying exposure, assessing logon access controls, and ensuring appropriate data access restrictions.

  • Potential unauthorized data access or modification.
  • Compromise of Siebel CRM Deployment.
  • Elevation of privileges for low-privileged attackers.
  • Possible disruption of critical business operations.

Technical summary

The vulnerability in Siebel CRM Deployment (CVE-2026-101464) allows low-privileged attackers with logon access to compromise the deployment. Successful attacks can lead to unauthorized data access or modification. The CVSS score is 7.1, indicating high severity. Affected versions range from 17.0 to 26.9. Defenders should focus on verifying exposure, assessing logon access controls, and ensuring appropriate data access restrictions to mitigate potential risks. It's crucial to review the official CVE record and vendor advisory for detailed guidance on affected scope and severity.

Defensive priority

Defenders should prioritize verifying exposure of Siebel CRM Deployment versions 17.0 through 26.9, assessing logon access controls, and ensuring appropriate data access restrictions.

Recommended defensive actions

  • Verify Siebel CRM Deployment version and ensure it is not within the affected range (17.0-26.9).
  • Restrict logon access to the infrastructure where Siebel CRM Deployment executes.
  • Implement data access controls to prevent unauthorized creation, deletion, or modification of critical data.
  • Monitor for suspicious activity related to Siebel CRM Deployment.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the vulnerability, including its CVSS score of 7.1, indicating high severity. The vulnerability is easily exploitable and allows low-privileged attackers to compromise Siebel CRM Deployment, potentially leading to unauthorized data access or modification.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101464 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101464

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-101464 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101464

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-101464

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/101xxx/CVE-2026-101464.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.oracle.com/security-alerts/cpuoct2026.html

    Supplemental source - vendor-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.