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UNKNOWNKNOWN EXPLOITED

CVE-2026-58644

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Published
2026-07-16
Modified
2026-07-31
Sources
cisa-kev

Summary

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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