What is CVE-2026-57976?
Microsoft SharePoint contains a weak authentication vulnerability. This allows an unauthorized attacker to bypass a security feature over a network. It is recommended to apply Microsoft's security update immediately upon detection of confirmed anomalies.
Related CVEs
link basis: same weakness class CWE-287; shared vendor: Microsoft
FAQ1
Which Microsoft product is affected by CVE-2026-57976 and how can an attacker exploit it?
The vulnerability affects Microsoft SharePoint. It allows an unauthorized attacker to bypass a security feature related to authentication over a network.
See also6
grounded ✓NVD ↗
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.