What is CVE-2026-50509?
CVE-2026-55040: Microsoft SharePoint contains a weak authentication vulnerability allowing an unauthorized attacker to bypass a security feature over a network. It is recommended to update SharePoint to the latest version.
Azərbaycanca: CVE-2026-55040: Microsoft SharePoint-da autentifikasiya zəifliyi. Bu, şəbəkə üzərindən icazəsiz hücumçunun təhlükəsizlik funksiyasını keçməsinə imkan verir. SharePoint-i son versiyaya yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ1
Which versions of Microsoft SharePoint are affected by CVE-2026-55040?
The context does not specify the affected versions, only recommends updating SharePoint to the latest version.
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.