What is CVE-2026-34346?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network, potentially gaining access to protected resources. SharePoint administrators should immediately apply the security update released by Microsoft.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da şəbəkə üzərindən təhlükəsizlik funksiyasını keçməyə imkan verən zəif autentifikasiya zəifliyidir. Bu, icazəsiz şəxsə qorunan resurslara daxil olmaq imkanı yaradır. SharePoint inzibatçıları təcili olaraq Microsoft tərəfindən buraxılmış təhlükəsizlik yeniləməsini tətbiq etməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What does CVE-2026-55040 allow in Microsoft SharePoint?
CVE-2026-55040 is a weak authentication vulnerability that allows an unauthorized attacker to bypass a security feature over a network, potentially gaining access to protected resources.
What should SharePoint administrators do regarding CVE-2026-55040?
SharePoint administrators should immediately apply the security update released by Microsoft.
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.