Microsoft's July 2026 Patch Tuesday addresses a staggering 622 vulnerabilities, with an additional 427 vulnerabilities in Chromium affecting the Edge browser. Of these, 62 are rated critical, and two have already been exploited, including the Active Directory Federation Services Elevation of Privilege Vulnerability CVE-2026-561551. This vulnerability, although not critical, is significant due to its exploitation status, which is currently being discussed by Microsoft. The large number of vulnerabilities makes it challenging to identify specific noteworthy issues, but the exploitation of CVE-2026-56155 warrants attention. The patch includes fixes for various vulnerabilities, emphasizing the need for prompt updates to prevent potential attacks. So what matters to practitioners is that the exploitation status of CVE-2026-56155 will determine whether this is a patch-now or monitor situation, making it crucial to stay informed about the latest developments.