What is CVE-2026-54991?
While CVE-2026-54991 is not detailed, the related 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-2026-54991 barədə məlumat verilməsə də, əlaqəli CVE-2026-55040 Microsoft SharePoint-də zəif autentifikasiya zəifliyidir. Bu, təcavüzkara şəbəkə üzərindən təhlükəsizlik funksiyasını keçməyə imkan verir. Təsirlənmiş sistemlərin dərhal yenilənməsi tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ2
Are there any technical details available for CVE-2026-54991?
No, CVE-2026-54991 is not detailed. However, the related CVE-2026-55040 is noted as a weak authentication vulnerability in Microsoft SharePoint.
What risk is associated with the vulnerability related to CVE-2026-54991?
The related CVE-2026-55040 vulnerability allows an unauthorized attacker to bypass a security feature over a network, so immediate patching of affected systems 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.