What is CVE-2026-58619?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. Immediate patching of affected systems is recommended.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu, təhlükə aktyoruna şəbəkə üzərindən təhlükəsizlik funksiyasını keçməyə imkan verir. Təsirə məruz qalan sistemlərin dərhal yenilənməsi tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What product is affected by CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability found in Microsoft SharePoint.
What does a threat actor need to exploit CVE-2026-55040?
A threat actor can exploit this vulnerability over a network to bypass a security feature.
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.