Microsoft’s latest Patch Tuesday updates resolve an actively exploited Exchange Server vulnerability tracked as CVE-2026-42897.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and three publicly disclosed zero-day vulnerabilities.