What is CVE-2026-50344?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network. As it is actively exploited (KEV), immediate patching from Microsoft is strongly recommended.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint zəif autentifikasiya boşluğudur ki, şəbəkə üzərindən icazəsiz təcavüzkara təhlükəsizlik funksiyasını keçməyə imkan verir. Bu zəiflik aktiv şəkildə istismar edildiyi üçün Microsoft-un təhlükəsizlik yeniləməsini dərhal tətbiq etmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
Why does CVE-2026-55040 in Microsoft SharePoint require immediate patching?
Because this weak authentication vulnerability is actively exploited (KEV) and allows an unauthorized attacker to bypass a security feature over a network.
What does CVE-2026-55040 allow an attacker to do?
It allows an unauthorized attacker to bypass a security feature over a network in Microsoft SharePoint.
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.