What is CVE-2026-50646?
CVE-2026-55040: This is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthenticated attacker to bypass a security feature over a network. Since this vulnerability is actively exploited, patches provided by Microsoft should be applied immediately.
Azərbaycanca: CVE-2026-55040: Bu, Microsoft SharePoint-də zəif autentifikasiya zəifliyidir və autentifikasiya olunmamış təcavüzkara şəbəkə üzərindən təhlükəsizlik xüsusiyyətini keçməyə imkan verir. Bu zəiflikdən aktiv şəkildə istifadə edildiyi üçün dərhal Microsoft-un təqdim etdiyi yeniləmələr tətbiq edilməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What security risk does CVE-2026-55040 pose in Microsoft SharePoint?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthenticated attacker to bypass a security feature over a network.
What is the urgent recommendation for CVE-2026-55040?
Since this vulnerability is actively exploited, patches provided by Microsoft should be applied immediately.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.