Microsoft released its largest Patch Tuesday update on record, fixing 206 vulnerabilities across its business products and core systems. The update includes publicly known issues, a previously exploited zero-day in Microsoft Defender, and a max-severity flaw in Azure HorizonDB. #Microsoft #MicrosoftDefender #AzureHorizonDB #CVE-2026-41091 #CVE-2026-48567
Keypoints
- Microsoft patched 206 vulnerabilities in its latest Patch Tuesday release.
- The update is the company’s largest monthly security patch batch on record.
- Microsoft Defender had an actively exploited zero-day, CVE-2026-41091.
- Microsoft disclosed three vulnerabilities that were publicly known before release.
- One max-severity flaw in Azure HorizonDB and nine critical defects were also fixed.
Read More: https://cyberscoop.com/microsoft-patch-tuesday-june-2026/