Security Advisory: Critical Vulnerabilities in NTLM Allow Remote Code Execution and Cloud Resources Compromise

Microsoft NTLM Security Advisory

On June 2019 Patch Tuesday, Microsoft released patches for CVE-2019-1040 and CVE-2019-1019, two vulnerabilities discovered by Preempt researchers. The critical vulnerabilities consist of three logical flaws in NTLM (Microsoft’s proprietary authentication protocol). Preempt researchers were able to bypass all major NTLM protection mechanisms.