What is CVE-2026-50379?
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. Affected SharePoint servers should be updated.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu qüsur şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını (security feature) keçməyə imkan verir. İstifadəçilərə təsirlənmiş SharePoint serverlərini yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What type of vulnerability is CVE-2026-55040?
It is a weak authentication vulnerability in Microsoft SharePoint.
What can an attacker achieve by exploiting this flaw?
An unauthorized attacker can bypass a security feature over a network.
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.