Microsoft Releases Record-Breaking Patch Tuesday With 208 CVEs
ID: 4f295b3b-d9f5-534b-9416-2c4581b1f809
STIX ID: report--4f295b3b-d9f5-534b-9416-2c4581b1f809
Feed Name: Security Affairs
**Microsoft released record Patch Tuesday updates addressing 208 CVEs in June 2026, including an actively exploited Defender elevation-of-privilege zero-day (CVE-2026-41091) and multiple critical remote code execution flaws (notably a wormable Windows kernel TCP/IP RCE CVE-2026-45657, HTTP.sys RCE CVE-2026-47291, and DHCP client RCE CVE-2026-44815). The bulletin also includes UEFI/Secure Boot fixes with pre-OS code execution risk and several publicly known issues; administrators are advised to prioritize testing and deploy mitigations and patches rapidly.**
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