What is CVE-2026-45646?
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 affects SharePoint users. Immediate patching with the security update provided by Microsoft is recommended.
Azərbaycanca: CVE-2026-55040: Microsoft SharePoint zəif autentifikasiya boşluğu səbəbindən şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. Bu boşluq SharePoint istifadəçilərini təsir edir. Dərhal Microsoft tərəfindən təqdim olunan təhlükəsizlik yeniləməsini tətbiq etmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
Which Microsoft product is affected by CVE-2026-55040 and what can an attacker achieve?
This vulnerability affects Microsoft SharePoint. It is a weak authentication vulnerability that allows an unauthorized attacker to bypass a security feature over a network.
What is the primary recommendation regarding CVE-2026-55040?
Immediate patching with the security update provided by Microsoft is recommended.
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.