What is CVE-2026-54126?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network. Organizations should apply the security update released by Microsoft immediately.
Azərbaycanca: CVE-2026-55040, Microsoft SharePoint-da şəbəkə üzərindən icazəsiz autentifikasiya zəifliyidir. Bu qüsur təcavüzkara təhlükəsizlik xüsusiyyətini keçərək sistemə daxil olmağa imkan verir. Təşkilatlar dərhal Microsoft tərəfindən buraxılmış təhlükəsizlik yeniləməsini tətbiq etməlidirlər.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What software product is affected by vulnerability CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint over a network.
What should organizations do to protect against CVE-2026-55040 vulnerability?
Organizations should apply the security update released by Microsoft 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.