CVE-2026-45220: Rejected CVE ID - Withdrawn Vulnerability

CVE-2026-45220 Overview

CVE-2026-45220 has been rejected or withdrawn by its CVE Numbering Authority (CNA). The identifier no longer represents a valid vulnerability record in the National Vulnerability Database (NVD). No affected products, technical details, or exploitation data are associated with this entry.

Rejected CVE identifiers typically result from duplicate assignments, reservations that were never used, or determinations that the reported issue does not constitute a security vulnerability. Security teams should not consume this identifier for detection engineering, patch prioritization, or risk reporting.

Critical Impact
No impact. This CVE identifier has been withdrawn and carries no vulnerability data.

Affected Products

None. No products are associated with this rejected identifier.

Discovery Timeline

2026-09-08 - CVE-2026-45220 published to NVD in rejected state
2026-09-08 - Last updated in NVD database

Technical Details for CVE-2026-45220

Vulnerability Analysis

No technical analysis is available. The CVE Numbering Authority rejected or withdrew this identifier, and NVD carries no descriptive record beyond the rejection notice.

Rejections commonly occur when a CNA reserves an identifier that is later determined to be a duplicate of an existing CVE, when the reported behavior is deemed non-security-relevant, or when the reserving party abandons the assignment. In each case, no CWE mapping, CVSS score, or affected configuration is published.

Root Cause

Not applicable. No root cause exists because no vulnerability was ratified under this identifier.

Attack Vector

Not applicable. No attack vector, exploitation path, or proof-of-concept is associated with CVE-2026-45220.

// No exploitation code applies to a rejected CVE identifier.

Detection Methods for CVE-2026-45220

Indicators of Compromise

None. Rejected CVE identifiers produce no indicators of compromise.
Any threat intelligence feed referencing CVE-2026-45220 as active should be treated as stale or erroneous.

Detection Strategies

Remove CVE-2026-45220 from active detection rules, dashboards, and SIEM correlation content.
Cross-reference the NVD entry to confirm the rejected status before dispositioning any legacy ticket that cites this identifier.

Monitoring Recommendations

Audit vulnerability management pipelines to suppress alerts on rejected CVE records.
Track CNA rejection notices as part of routine NVD synchronization to prevent noise in reporting.

How to Mitigate CVE-2026-45220

Immediate Actions Required

Close any open remediation tickets that reference CVE-2026-45220 with a rejection disposition.
Notify downstream consumers of vulnerability data that this identifier carries no actionable content.

Patch Information

No patch is required or available. CVE-2026-45220 does not correspond to a validated vulnerability, and no vendor advisory has been issued.

Workarounds

No workarounds apply because no vulnerability exists under this identifier.
Redirect analyst attention to active, validated CVEs relevant to the affected environment.

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# No configuration changes apply to a rejected CVE identifier.