What is CVE-2026-55053?
CVE-2026-55053 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. SharePoint users should urgently apply the relevant security update.
Azərbaycanca: CVE-2026-55053 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Təsdiqlənməmiş şəbəkə hücumçusuna təhlükəsizlik funksiyasını bypass etməyə imkan verir. SharePoint istifadəçiləri təcili olaraq müvafiq təhlükəsizlik yeniləməsini tətbiq etməlidirlər.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What software is affected by CVE-2026-55053?
It affects Microsoft SharePoint.
What is the main risk associated with CVE-2026-55053?
It allows an unauthorized attacker to bypass an authentication 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.