Microsoft SharePoint Flaws Let Unauthenticated Attackers Execute Remote Code

Microsoft SharePoint Server administrators are being urged to patch two vulnerabilities that could be combined to allow unauthenticated remote code execution on exposed on-premises servers. The flaws, tracked as CVE-2026-55040 and CVE-2026-63520, affect SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016. Microsoft SharePoint Flaws The urgency has increased after Defused reported […]

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