Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions
Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions
Microsoft has released security updates for SharePoint Server, addressing a remote code execution vulnerability tracked as CVE-2026-45659 (CVSS 8.8). Fixes apply across supported server versions, closing a high-severity path to arbitrary code execution.
On‑prem SharePoint admins should fast‑track these patches, prioritizing internet-facing servers. Validate update success, review external access routes and service account scopes, and watch for anomalous activity to contain RCE exposure.
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Source: Telegram "sitreports"