CVE-2026-63520

CVE-2026-63520 Sharepoint unsafe type RCE + CVE-2026-55040 chain Unauthenticated RCE on Microsoft SharePoint Server. No credentials needed. Stephen Fewer Rapid7 demonstrated CVE-2026-55040 at Pwn2Own Berlin 2026. Rapid7 then discovered CVE-2026-63520 during follow-up research, and VulnCheck...