What is CVE-2026-50340?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. Affected systems should be patched with the official security update from Microsoft.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik xüsusiyyətini keçməyə imkan verir. Təsirlənən sistemlərdə Microsoft-dan rəsmi təhlükəsizlik yeniləməsi tətbiq edilməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is CVE-2026-55040?
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 to mitigate CVE-2026-55040?
To protect against this vulnerability, the official security update from Microsoft should be applied on the affected systems.
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.