What is CVE-2026-49167?
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 immediately patched with the official Microsoft security update.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. Təsirə məruz qalan sistemlər dərhal rəsmi Microsoft təhlükəsizlik yeniləməsi ilə patç edilməlidir.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What software is affected by CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint.
What can be achieved by exploiting this vulnerability?
This vulnerability allows an unauthorized attacker to bypass a security feature over a network.
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.