Zero Day Vulnerabilities
The latest Zero Day Vulnerabilities coverage — news, analysis, and updates from the WindowsNews.AI desk.
KB5101650 Hits Windows 11 With 570 Fixes, Two Exploited Zero-Days, and a Dell Update Hold
Microsoft shipped its July 2026 Patch Tuesday updates this week, patching a record 570 security vulnerabilities across the company’s entire product line. The cumulative update for Windows 11,...
Microsoft's 570-Fix Patch Tuesday: Two Zero-Days Exploited, BitLocker Bypass Disclosed
On July 14, Microsoft unloaded a record-breaking 570 security fixes across its product portfolio — the largest Patch Tuesday in the company’s history. Two of the vulnerabilities are zero-days...
June 2026 Patch Tuesday: Wormable 9.8-Rated Windows Kernel Bug Heads 207-CVE Fix Wave
Microsoft has released its June 2026 Patch Tuesday security update package, addressing more than 200 vulnerabilities across the company’s product lineup. The centerpiece is a wormable Windows...
June 2026 Patch Tuesday: Urgent Windows 11/10 Update Fixes Actively Exploited Zero-Days
Microsoft’s June 9, 2026 Patch Tuesday landed with an unmistakable urgency. The release confronts a massive security haul—described by early reports as record-sized—and includes fixes for...
Windows 11 June 2026 Patch Tuesday: Secure Boot Fix & New NPU Tools
Microsoft will release its June 2026 Patch Tuesday updates for Windows 11 on June 9, 2026, delivering mandatory security patches alongside a suite of user-facing enhancements. This month’s...
Microsoft's April 2026 Patch Tuesday Addresses 165 Vulnerabilities Including SharePoint Zero-Days and AI Risks
Microsoft's April 2026 security update cycle addresses 165 vulnerabilities across its product ecosystem, marking one of the largest Patch Tuesday releases in recent memory. The sheer volume of fixes...
April 2026 Patch Tuesday Delivers 163 Security Fixes, Leaves BlueHammer Zero-Day Unpatched
Microsoft's April 2026 Patch Tuesday security update addresses 163 vulnerabilities across its product ecosystem, marking one of the most substantial monthly security releases in recent years. The...
Microsoft March 2026 Patch Tuesday Fixes Over 80 Vulnerabilities Including Critical Zero-Day Exploits
Microsoft's March 2026 Patch Tuesday delivered security updates addressing more than 80 vulnerabilities across Windows, Office, Edge, SQL Server, and other components. This substantial release...
Microsoft October 2025 Patch Tuesday: Critical Security Updates and Windows 10 EOL Reality
Microsoft's October 2025 Patch Tuesday represents one of the most significant security updates in recent memory, addressing critical vulnerabilities while marking the official end of mainstream...
Microsoft October 2025 Patch Tuesday: Massive Security Update Addresses 175 CVEs
Microsoft's October 2025 Patch Tuesday represents one of the most significant security updates in recent memory, addressing between 167 and 175 Common Vulnerabilities and Exposures (CVEs) across the...
October 2025 Patch Tuesday ships 172 fixes, 3 zero-day exploits, and Windows 10 end of support.
Microsoft's October 2025 Patch Tuesday has arrived as one of the most significant security updates in recent memory, delivering critical fixes for 172 documented CVEs across the Windows ecosystem....
Microsoft October 2025 Patch Tuesday: Zero Days, RCEs, and Critical Security Updates
Microsoft's October 2025 Patch Tuesday represents one of the most significant security updates of the year, addressing critical vulnerabilities across the Windows ecosystem including two actively...