CVE-2026-101664 Oracle Corporation CVE debrief

Who should care

Defenders managing Oracle E-Business Suite deployments, specifically those with Oracle Mobile Field Service, should assess exposure and prioritize remediation. This includes IT security teams, system administrators, and Oracle E-Business Suite operators.

Why it matters

CVE-2026-101664 is a high-severity vulnerability in Oracle Mobile Field Service that allows low-privileged attackers to compromise the service via HTTP. Defenders should prioritize verifying exposure and applying remediation to prevent potential takeover and disruption of business operations.

• Potential takeover of Oracle Mobile Field Service instances by attackers.
• Compromise of confidentiality, integrity, and availability of affected systems.
• Need for verification of exposure and application of remediation.
• Potential disruption of business operations relying on Oracle Mobile Field Service.

Technical summary

The vulnerability in Oracle Mobile Field Service, a component of Oracle E-Business Suite, is easily exploitable and allows a low-privileged attacker with network access via HTTP to compromise the service. Successful attacks can result in a takeover of Oracle Mobile Field Service. The affected versions are 12.2.3-12.2.15. The CVSS 3.1 Base Score is 8.8, indicating high severity. This vulnerability can lead to confidentiality, integrity, and availability impacts. Defenders should prioritize verifying exposure and applying remediation, focusing on systems with network access and low-privileged users.

Defensive priority

Defenders should prioritize verifying exposure and applying remediation, focusing on systems with network access and low-privileged users.

Recommended defensive actions

• Verify exposure of Oracle Mobile Field Service instances, especially those with network access and low-privileged users.
• Apply remediation as per vendor advisories.
• Monitor for suspicious activity indicating potential exploitation attempts.
• 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.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impacts, and affected versions. However, the corpus does not establish specific exploitation instances or remediation steps beyond vendor advisories.

Sources and references

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.