UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2025-49706

Microsoft SharePoint Improper Authentication Vulnerability

Published: 2025-07-22
Modified: 2026-07-31
Sources: cisa-kev

Summary

Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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