CVE-2026-117786
Summary
by MITRE • 10/28/2026
Rejected reason: Reserved in error; never associated with a vulnerability.
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Analysis
by VulDB Data Team • 10/28/2026
The identifier designated for this entry was reserved erroneously within the Common Vulnerabilities and Exposures (CVE) system, meaning it does not correspond to any actual security flaw or software defect. In standard CVE assignment practices, each unique identifier is intended to map one-to-one with a specific vulnerability that has been publicly disclosed and documented by a recognized National Cybersecurity Incident Response Team (NCERT) or a Certified Original Equipment Manufacturer (OEM). When an entry is marked as reserved in error, it indicates that the ID was allocated during bulk assignments or administrative processes but subsequently found to have no associated technical reality. This situation often arises from duplicate submissions, misidentified patches, or internal tracking errors where a placeholder identifier was mistakenly published without corresponding evidence of exploitability or impact.
From a technical perspective, this classification signifies an absence of vulnerability context. There is no affected software version, no specific code path involved, and no known attack vector associated with this ID. Consequently, security scanners, threat intelligence platforms, and compliance auditors should treat this identifier as null data when performing risk assessments or generating reports. Attempting to map this CVE to Common Weakness Enumeration (CWE) categories or MITRE ATT&CK techniques is not feasible because there are no observable behaviors, configurations, or architectural flaws to analyze. The lack of a technical flaw means that no exploitation scenario exists, and therefore, the potential for unauthorized access, data leakage, denial of service, or privilege escalation is nonexistent in relation to this specific identifier.
The operational impact of such erroneous reservations primarily affects administrative efficiency rather than system security posture. Security teams may encounter false positives if their vulnerability management tools are not configured to filter out non-vulnerable CVEs. This can lead to unnecessary ticket generation, wasted engineering hours investigating phantom issues, and potential alert fatigue among incident responders who must distinguish between genuine threats and data artifacts. Furthermore, it can skew metrics related to patching velocity and risk exposure scores if the organization does not maintain a clean inventory of valid vulnerabilities. It is crucial for organizations to regularly audit their CVE lists against authoritative sources such as NVD or vendor advisories to ensure that only actionable items are tracked in their asset management systems.
To mitigate the confusion caused by erroneously reserved identifiers, security operations centers should implement filtering rules within their vulnerability scanning and reporting tools to exclude known invalid IDs from daily dashboards. Regular synchronization with official CVE feeds is essential to identify when an entry has been marked as non-vulnerable or rejected. Additionally, maintaining a local blacklist of such erroneous entries can prevent them from appearing in automated reports. For researchers and analysts encountering this identifier, the appropriate action is to disregard it for threat modeling purposes while noting its status if required for historical record-keeping. Ultimately, recognizing that some CVEs are administrative artifacts rather than technical realities allows teams to focus resources on genuine threats aligned with established frameworks like CWE and ATT&CK, ensuring a more accurate and effective security posture.