KNOWN EXPLOITED VULNERABILITY DOSSIER

CVE-2026-55040

Microsoft · SharePoint

Microsoft SharePoint contains a weak authentication vulnerability which allows an unauthorized attacker to bypass a security feature over a network.

CISA KEV Added: 2026-08-18
Severity Rating: High (CVSS 9)
Legal Indictments: 0 Cases
Catalog Status: Active KEV Mandate

Correlated Federal Court Cases & Indictments (0)

No specific federal indictment in our landmark database directly links to this CVE yet. This vulnerability is monitored under CISA's Known Exploited Vulnerabilities catalog.

Associated Government Advisories

Direct advisory cross-references are being continuously mapped from CISA and allied CERT publications.

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