// Microsoft 365CRITICAL
Microsoft released a record-breaking Patch Tuesday on June 9, 2026, addressing 208 CVEs across Windows, Office, Azure, Exchange, and related products, with one actively exploited zero-day (CVE-2026-41091 in Microsoft Defender). Critical vulnerabilities include remote code execution flaws in Windows kernel and HTTP.sys, requiring immediate patching across enterprises relying on Microsoft infrastructure.
- Microsoft Releases Record-Breaking Patch Tuesday With 208 CVEs(opens in a new tab)
- Microsoft Patches 200 Vulnerabilities - SecurityWeek(opens in a new tab)
- Microsoft and Adobe Patch Tuesday, June 2026 Security Update Rev(opens in a new tab)
- Zero Day Initiative — The June 2026 Security Update Review(opens in a new tab)
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