CVE-2026-61294 Oracle Corporation CVE debrief

Who should care

Organizations using Oracle Common Applications Calendar versions 12.2.3-12.2.15 should prioritize patching this vulnerability to prevent potential exploitation. This is crucial for operators managing affected deployments, as it can help prevent unauthorized data access and service disruptions. Vulnerability management and security teams should also be aware of the potential impacts on data integrity and availability.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 6.3, indicating a medium severity level. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L), showing that the vulnerability can be exploited over the network with low privileges, and it impacts confidentiality, integrity, and availability. This vulnerability affects Oracle Common Applications Calendar versions 12.2.3-12.2.15, specifically the Calendar Synchronizations component. Successful exploitation can lead to unauthorized update, insert or delete access to some accessible data, unauthorized read access to a subset of accessible data, and a partial denial of service.

Defensive priority

Medium priority should be given to patching this vulnerability due to its medium severity score and the potential impact on data integrity and availability.

Recommended defensive actions

• Apply the patches provided by Oracle for Common Applications Calendar versions 12.2.3-12.2.15.
• Restrict network access to the affected systems to only necessary personnel.
• Monitor for any suspicious activity related to Oracle Common Applications Calendar.
• 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 was published on 2026-07-21T22:18:58.973Z and was last modified on 2026-07-22T19:17:11.747Z. The NVD entry is currently in the 'Received' status. Evidence is limited to CVE and NVD information; further verification is needed to assess the full scope of affected systems and potential impact. Defenders should verify the accuracy of the CVE details and monitor for any additional information from Oracle or other sources.

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.