What is CVE-2026-49803?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature over a network. Applying the security patch on affected systems is recommended.
Azərbaycanca: CVE-2026-55040 Microsoft SharePoint-da zəif autentifikasiya zəifliyidir. Bu, şəbəkə üzərindən icazəsiz hücumçuya təhlükəsizlik funksiyasını keçməyə imkan verir. Təsirə məruz qalan sistemlərdə patchni tətbiq etmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
What is CVE-2026-55040 and which system does it affect?
CVE-2026-55040 is a weak authentication vulnerability in Microsoft SharePoint. It allows an unauthenticated attacker to bypass a security feature over a network.
How to protect against the CVE-2026-55040 vulnerability?
To protect against CVE-2026-55040, it is recommended to apply the security patch on affected Microsoft SharePoint systems.
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.