sharepoint
Safeguard articles tagged "sharepoint" — guides, analysis, and best practices for software supply chain and application security.
3 articles
SharePoint and Exchange Produce Four More Confirmed-Exploited CVEs
Beyond the five-CVE cluster covered earlier, four more SharePoint and Exchange vulnerabilities were confirmed exploited across the year — including a 2023 Exchange bug confirmed nearly three years later.
Five SharePoint CVEs in Five Weeks: The Deserialization Habit Continues
Microsoft SharePoint had five vulnerabilities confirmed exploited between July and August 2026, three of them the same root cause: deserialization of untrusted data. One carries CISA's confirmed ransomware flag.
CVE-2025-53770 in SharePoint (ToolShell): Patch Posture & SBOM Response
On-prem SharePoint deserialization flaw scored CVSS 9.8 and entered CISA KEV the day after public exploitation. Defender playbook below.
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