What is CVE-2026-54131?
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 enables remote exploitation to gain unauthorized access. Administrators should immediately apply the official Microsoft security update.
Azərbaycanca: CVE-2026-55040 zəifliyi Microsoft SharePoint-də şəbəkə üzərindən autentifikasiya mexanizmini keçərək icazəsiz girişə imkan verir. Bu, uzaqdan hücum edən şəxsə təhlükəsizlik funksiyasını bypass etməyə şərait yaradır. Sistem administratorları dərhal rəsmi Microsoft təhlükəsizlik yeniləməsini tətbiq etməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What feature of Microsoft SharePoint does CVE-2026-55040 affect?
CVE-2026-55040 affects the authentication mechanism in Microsoft SharePoint, allowing a security feature to be bypassed.
What is recommended to protect against CVE-2026-55040?
To protect against CVE-2026-55040, system administrators should immediately apply the official Microsoft security update.
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.