What is CVE-2026-50353?
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. Apply Microsoft's security update immediately to protect your SharePoint environment.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-də zəif autentifikasiya zəifliyidir. Bu zəiflik şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. SharePoint mühitinizi qorumaq üçün dərhal Microsoft-un təhlükəsizlik yeniləməsini tətbiq edin.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is CVE-2026-55040 and which product does it affect?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint.
What should I do to protect Microsoft SharePoint from this vulnerability?
Apply Microsoft's security update immediately to protect your SharePoint environment.
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.