THE June 2026 Patch Tuesday from Microsoft addresses a significant total of 206 vulnerabilities, including three zero-day vulnerabilities, notably the HTTP/2 Bomb Flaw (CVE-2026-49160). Key highlights include: 1. **Critical Vulnerabilities**: High-risk vulnerabilities identified include CVE-2026-48567 (CVSS 10.0) for Azure HorizonDB and several others rated above 9.0.
2. **Zero-Day Vulnerabilities**: The critical three zero-days pose serious risks, especially CVE-2026-49160 which allows Denial of Service attacks via crafted HTTP requests. 3. **Patching Priorities**: Organizations should prioritize patching systems dealing with HTTP/HTTPS traffic and DHCP infrastructure, while ensuring BitLocker protection on devices is maintained due to bypass risks. 4. **Bulk Updates**: The release emphasizes the urgency of patching to mitigate potential exploitation.