cve-2026-45467

CVE-2026-45467 is a Microsoft SharePoint Server spoofing vulnerability listed in the Microsoft Security Update Guide as of June 2026. The public record provides limited operational details, but the vulnerability affects SharePoint Server, which serves as a document hub, workflow engine, intranet front door, and identity-adjacent trust broker in many Windows environments. The recommended response is disciplined patching and careful interpretation of the sparse information, avoiding both panic and indifference. This tag covers discussions about the vulnerability, its implications for SharePoint deployments, and guidance for administrators on how to approach the update.