CVE-2026-117720
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 provided has been explicitly marked as reserved in error and does not correspond to any known security vulnerability or software flaw. This designation indicates that the Common Vulnerabilities and Exposures (CVE) system, maintained by The MITRE Corporation and funded by the National Cybersecurity Initiative of the United States Department of Homeland Security, has determined that this specific identifier was assigned incorrectly during a previous allocation process. Consequently, there is no associated technical description, exploit code, or remediation guidance for this entry because it represents an administrative artifact rather than a genuine security defect in software or hardware systems.
From a vulnerability management perspective, encountering such reserved identifiers often stems from data ingestion errors where duplicate entries are created during the automated scanning and reporting phases of enterprise security operations. These duplicates may arise when multiple vendors report similar issues to different CVE Numbering Authorities (CNAs) without proper coordination, leading to redundant or erroneous assignments that fail to meet the criteria for a valid vulnerability disclosure. The presence of such identifiers in threat intelligence feeds can introduce noise into security analytics platforms, potentially causing false positives if automated tools are not configured to filter out non-vulnerable entries effectively.
Industry standards such as CWE (Common Weakness Enumeration) and MITRE ATT&CK rely on accurate CVE mappings to provide context for attack techniques and weakness types. When a CVE is marked as reserved in error, it breaks the chain of evidence required for effective risk assessment and patch management workflows. Security teams must ensure that their vulnerability scanners and configuration databases are regularly updated with the latest status changes from official CNAs to avoid acting on obsolete or invalid data points. This practice helps maintain the integrity of security posture assessments and ensures that remediation efforts are directed toward actual, exploitable flaws rather than administrative anomalies.
To mitigate the operational impact of such errors within an organization's information security infrastructure, it is recommended to implement robust validation checks against official CVE databases before integrating threat intelligence into SIEM or SOAR platforms. Regular audits of vulnerability management systems can help identify and purge these invalid entries, thereby reducing alert fatigue for security analysts who might otherwise investigate non-existent threats. Furthermore, organizations should prioritize patching based on verified CVEs that have confirmed exploitability and significant impact scores, ensuring that resources are allocated efficiently to address genuine risks rather than chasing phantom vulnerabilities resulting from data entry mistakes or system glitches in the vulnerability tracking ecosystem.