News Microsoft Rated Its Own Exploited Flaw ‘Medium’. Stop Trusting Vendor Severity Scores by Rebecca Sutton July 15, 2026 by Rebecca Sutton July 15, 2026 A SharePoint bug rated 5.3 by Microsoft and 9.8 by NVD is already under active attack. Vendor severity ratings are falling behind AI-accelerated exploits. FacebookTwitterLinkedinEmail