September Patch Tuesday Bears More Remote Desktop Vulnerability Fixes and Two Zero-Days

September Patch Tuesday Bears More Remote Desktop Vulnerability Fixes and Two Zero-Days

Microsoft’s September Patch Tuesday covered 80 CVEs, 17 of which were rated critical, and included patches for Azure DevOps Server, Chakra Scripting engine, and Microsoft SharePoint. Sixty-two were labeled as important and included patches for Microsoft Excel, Microsoft Edge, and Microsoft Exchange. Only one was rated as moderate.


Remote desktop vulnerabilities


Continuing the trend from last month, several of the critical patches were for Remote Desktop Clients and are CVE-2019-0787, CVE-2019-0788, CVE-2019-1290, and CVE-2019-1291 — all Remote Code Execution (RCE) vulnerabilities. These follow the previous months’ fixes for BlueKeep and DejaBlue. These previous flaws can allow an attacker to execute a code on a system level through a crafted pre-authentication RDP packet ..

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