Microsoft Plugs Nearly 400 Security Holes
Microsoft's August 2026 Patch Tuesday fixes 398 vulnerabilities, including one flaw already being actively exploited and two publicly disclosed before the update.
Microsoft released August 2026 Patch Tuesday updates fixing at least 398 vulnerabilities in Windows and supported software. One of the flaws is already being actively exploited, and two others were publicly detailed ahead of the patch release. The update is one of the larger monthly releases in recent memory.
- 398 total vulnerabilities fixed in the August 2026 release
- At least one flaw is actively exploited in the wild
- Two vulnerabilities were publicly disclosed before Patch Tuesday
- Updates cover Windows and Microsoft's supported software
Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.
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