What is CVE-2026-50437?
CVE-2026-55040 reports a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network. Added to the KEV list, this indicates a high risk of active exploitation, and users are advised to immediately apply Microsoft's security updates.
Azərbaycanca: CVE-2026-55040 hesabatı Microsoft SharePoint-də zəif autentifikasiya zəifliyini göstərir ki, bu da şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik xüsusiyyətini keçməyə imkan verir. Bu zəiflik KEV siyahısına əlavə olunub, yəni aktiv istismar riski yüksəkdir. İstifadəçilərə Microsoft-un təqdim etdiyi təhlükəsizlik yeniləmələrini dərhal tətbiq etmələri tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is the CVE-2026-55040 vulnerability and which software product does it affect?
CVE-2026-55040 reports a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network.
What does the addition of CVE-2026-55040 to the KEV list signify, and what should users do?
The addition of this vulnerability to the KEV list indicates a high risk of active exploitation. Users are advised to immediately apply Microsoft's security updates.
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.