Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-days

Microsoft has released cumulative updates for Windows 11, identified as KB5101650 and KB5099414, alongside an extended security update, KB5099539, for Windows 10. These releases accompany a security patch cycle addressing a large volume of flaws, with reports indicating varying totals of 570 or 622 vulnerabilities and either two or three zero-day exploits under active attack.

Coverage from outlets including BleepingComputer, Krebs on Security, The Hacker News, and The Verge emphasizes the scale of the patch volume. Media reports also highlight new functionality in Windows 11, noting that users now have the option to pause system updates for an extended period, though specific details regarding the duration or limitations of this feature vary across reporting.

Future updates will clarify the final count of patched vulnerabilities and the specific nature of the active zero-day exploits. Coverage does not yet specify the full technical scope of the Windows 11 pause functionality, which remains a key point of interest for users managing system installations.