What is CVE-2026-47300?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. SharePoint users should immediately apply Microsoft's security update.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu zəiflik şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. SharePoint istifadəçiləri dərhal Microsoft-un təhlükəsizlik yeniləməsini tətbiq etməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
Which software is affected by CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability affecting Microsoft SharePoint.
What does an attacker need to do to exploit CVE-2026-55040?
An unauthorized attacker can bypass a security feature over the network by exploiting this vulnerability.
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.