Known Exploited Vulnerabilities July 20, 2025 · CISA KEV Catalog

CVE-2025-53770: Microsoft Share Point Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.

Read the original at CISA KEV Catalog ↗

Topics: Vulnerabilities & Patching
Mentions: CVE-2025-53770 Microsoft
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