Important Bulletins Microsoft Updates Chromium: CVE-2026-1220 Race in V8CVE-2026-20805 Desktop Window Manager Information Disclosure VulnerabilityCVE-2026-21521 Word Copilot Information Disclosure VulnerabilityCVE-2026-21264 Microsoft Account Spoofing VulnerabilityCVE-2026-24307 M365 Copilot Information Disclosure Vulnerability
