What is CVE-2026-50428?
Microsoft SharePoint contains a weak authentication vulnerability (CVE-2026-55040) that allows an unauthorized attacker to bypass a security feature over a network. Since this flaw is actively being exploited, an immediate security update should be applied.
Azərbaycanca: Microsoft SharePoint-da autentifikasiya zəifliyi (CVE-2026-55040) mövcuddur ki, bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. Bu qüsurdan aktiv şəkildə istifadə edildiyi üçün təcili olaraq təhlükəsizlik yeniləməsi tətbiq edilməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What risk does CVE-2026-55040 pose to Microsoft SharePoint?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. This flaw allows an unauthorized attacker to bypass a security feature over a network.
Why should immediate action be taken for CVE-2026-55040?
An immediate security update should be applied because this flaw is actively being exploited.
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.