What is CVE-2026-50313?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network. It is listed in the Known Exploited Vulnerabilities (KEV) catalog. Updating affected SharePoint systems is recommended.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint daxilində zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik xüsusiyyətini keçməyə imkan verir. SharePoint sistemlərinin yenilənməsi və mütəmadi audit aparılması tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is CVE-2026-55040?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint that allows an unauthorized attacker to bypass a security feature over a network.
How to protect against CVE-2026-55040?
The vulnerability is listed in the Known Exploited Vulnerabilities (KEV) catalog. Updating affected SharePoint systems and conducting regular audits is recommended.
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.