What is CVE-2026-50381?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network. This could grant an attacker unauthorized access to the SharePoint environment. Administrators should immediately apply security updates and strengthen authentication mechanisms.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da şəbəkə üzərindən təhlükəsizlik funksiyasını keçməyə imkan verən zəif autentifikasiya zəifliyidir. Bu, icazəsiz hücumçuya sistemə giriş əldə etməyə şərait yaradır. SharePoint administratorları dərhal təhlükəsizlik yeniləmələrini tətbiq etməli və autentifikasiya mexanizmlərini gücləndirməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
How could CVE-2026-55040 impact Microsoft SharePoint?
This weak authentication vulnerability could allow an unauthorized attacker to bypass a security feature over a network, granting them access to the SharePoint environment.
What should administrators do to protect against CVE-2026-55040?
Administrators should immediately apply security updates and strengthen authentication mechanisms.
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.