vulnerability Multiples vulnérabilités dans les produits Microsoft (21 août 2026) Multiple vulnerabilities have been discovered in Microsoft products, allowing attackers to bypass security policies and cause denial-of-service conditions. Microsoft has released security bulletins detailing the issues and providing necessary updates. CERT-FR · Aug 21, 2026 Medium CVE-2026-55013CVE-2026-55015microsoftvulnerabilitysecurity