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August 2026 Patch Tuesday: 421 Flaws, 3 Zero-Days

medsocradar_blogPublished 2026-08-12

<h1>August 2026 Patch Tuesday: 421 Flaws, 3 Zero-Days</h1> <p>Microsoft’s August 2026 Patch Tuesday release addresses <strong>421 vulnerabilities</strong>, including <strong>three zero-days</strong>. One zero-day was exploited in the wild, while two others were publicly disclosed before fixes were available.</p> <p>Defenders must act decisively: address the active Windows elevation of privilege ex

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://socradar.io/blog/august-2026-patch-tuesday-zero-day/