Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilities

Microsoft's July 2026 Patch Tuesday addresses 622 vulnerabilities, including 57 rated critical, with two already exploited in the wild. Critical vulnerabilities include remote code execution (RCE), elevation of privilege, spoofing, and security feature bypass flaws across Windows, Office, SharePoint, and cloud services. Cisco Talos has released Snort rules to detect exploitation attempts for several of these vulnerabilities, particularly focusing on RCE and privilege escalation issues.

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