What is CVE-2026-56187?
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 security patches and harden network access controls.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. SharePoint istifadəçiləri dərhal təhlükəsizlik yeniləməsini tətbiq etməli və şəbəkə giriş nəzarətlərini sərtləşdirməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What function of Microsoft SharePoint is affected by CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass an authentication-related security feature over a network.
What measures should be taken to protect against CVE-2026-55040?
SharePoint users should immediately apply security patches and harden network access controls.
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.