# Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack

> **Newsylist Open Intelligence Dossier** · First detected: 2026-08-12 03:29 UTC · Category: Technology · Sources: 6 · Current Velocity: 4.29

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Computerworld | August’s Patch Tuesday is a monster: 751 fixes, with an exploited Windows flaw | 2026-08-13 17:46 | [Source Link](https://news.google.com/rss/articles/CBMiwwFBVV95cUxPcVE2UHoxbERjQk53OVpPajlvTjRhZkJWcVRiX0RQeVJZOXhfNmp0cFI2T3o2eHVyWmdSV2UtT2N0N3JxSkdHSjBVOWx4WTctTFljLWkydVJJX3BLRExIZi1WT3hJdnhjT0F6bWh5cmhsSzhwTVJxVW9tc2I1UDVzR3dIYk83RU1iS3AtVDg5ZkU0Vm9XRGZQWFJLWURJVHlNZFozNmVSTmVtellUbXg3TjdHZWsyQmQzT2FIVk5HbXNNMDA?oc=5) |
| PCWorld | Windows 10’s latest patch keeps your Secure Boot certificates on track | 2026-08-13 17:46 | [Source Link](https://news.google.com/rss/articles/CBMitAFBVV95cUxOWmV5b2VxVEt6b0ZqSnhseUFJb1JDdi0zVEc3OVpWSWx6U2pNNnVJdl82el9OQ0Uyd1RaNVVnTkRPWHQzcmFUQ1R5WkJBMUZmeGZHbGlPMDc1UHJjSVhjU3BkYjVELW1hdEFYNWRBVndoUUQwWmZYUXZVZzRiN0VXUWZWSmIzTVhaMVA5cG4tcFg1eTlfRFFrdVZ3WWg0SUlqR003M0t3a1h2MXcxVHJIdEVHV2I?oc=5) |
| Malwarebytes | Patch Tuesday: Update now to fix 421 flaws, including three zero-days | 2026-08-13 17:46 | [Source Link](https://news.google.com/rss/articles/CBMitAFBVV95cUxOZXh0dTExZ3VaS2FEdTlvQXZBbUlaYjh2dnBuam1VNHUxdVZ2VVU1QTFoeng4eXN6UENtbnFRaEtLMlpuMUhWZXgwa3duWTVjR3pIOXZndDRsYWpWVlp1YXN4b2JKaTlld0RMLTV0aTEwdnJtT2Nwcm9NVXZnaXNjRWo2VG1YVE50TFppOWxLUUJrOENsQnpLQ1pRM25hRVdNSmlxaUFLRUZHWFU0S00wTG1mVHU?oc=5) |
| BleepingComputer | Microsoft patches LegacyHive Windows zero-day vulnerability | 2026-08-13 17:46 | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxONWhCSWlFc1ZFNnlWOXQ1ejN6SVpSLXpLQTB3X2RHREdtWXdYV0EwWFZCczl1S3UxWTMwcmQyVk9SeGdScFg3Q0RJRy1ieFladXAwenF5RTRfSlEyVVpQazhpUkNMQzdiTGFUaXJsSU1lTTAxUnRNdWtYMGNqUUtvbnNSWFpqWjhyUmhuYkhueDRqRjNoRWpIcWs1RWhKRGZyVXk4LVQ2Q0Z5eWdo0gGyAUFVX3lxTFB6VV9na3o5RGxjTnhRd1BIVnNCOG52Tkp0ekw2VHhMMmRMX08tRkJpZXBYVGJZU2oxWjFuVE1vbGRpSWl2MnR2OW9hVkpXWHExbDBTTzAwTGE0SnJDMmJ2bWZ3dU1MdzgwekN2ZVRWSktESlg3cDQ0NnlOZVN4eU00dlZBU24wWmlhZ2pjZjB1azlQcndLekZ3TWU3UlVHOGJqQWNNVzR) |
| PCWorld | Your Windows 11 PC is getting a dozen small upgrades this week | 2026-08-11 20:10 | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxQUzdWeVp6ZVBZeXB6Vmc1bVB6aWFGVDJLTXFINnB1LW1GY2E1dTBwX0Frb0ZfN1NsMkVKVjJTaWktUWJ1QlFOOVBMSzNtVFlHSk81TWVBMWNySW5WS0dHejhaVW5FRy1ibnJwY3I3TE55T0I2Q0M4TmFjekh3MFZYMm96VkVxYzJyM1BiTmo0QXRWRlM1dXBoT2cySFp1YllMaG1hMGJrbXZiTHM?oc=5) |
| Check Point Research | Shattering the Dream – When a Job Offer Becomes a Zero-Day Attack | 2026-08-11 20:10 | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxPVkFxRmNaMmtMUVZUQjEzV290Y0Y1dVdmN1NWc1E1d0JkNWQ4NjNTLUx1a2ljcUlkUk54TFlUT0NlVjJxN0tMSFQxS0dHMHkwVmM1emdYNUVSZHJESndQZTVPZVpDVWxLSEdSVWRxLWEyUFdaVEgtZldzYTZxUzdaR0J4cmkxVVVZZWhYTWE3RDB4WG9ObFU0WlBFR0g1a01DeFh3?oc=5) |
| darkreading.com | Microsoft's Patch Tuesday Deluge Continues With August Updates | 2026-08-11 20:10 | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxNV2VnODhIU3V2UHVUc1RlRVR6ZGdsOFhnMk9KM3hSNENaNi1Tc0F2TlBNNlpCQmpqMUtoRkd5UWNaZ2pDU1lJYWFoMzg2dTVSMEJmbkpMaXpybHZHdXZVQXVxemxrSXR6cEQ5OG9DblBVeWNnaW80LUNWU25zRWxLZHFNNWVyUFJka2toNjFNVGdvTjR4?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-08-12/microsoft-patches-398-flaws-including-a-windows-driver-zero-day-under-active*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*