What is CVE-2026-56649?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. Apply the Microsoft security update immediately.
Azərbaycanca: CVE-2026-55040: Microsoft SharePoint zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik xüsusiyyətindən yan keçməyə imkan verir. Dərhal Microsoft-un təhlükəsizlik yeniləməsini tətbiq edin.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is the CVE-2026-55040 vulnerability in Microsoft SharePoint?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network.
How can I protect against the CVE-2026-55040 vulnerability?
Apply the Microsoft security update immediately.
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.