July's Patch Tuesday delivered the largest single-day vulnerability dump in Microsoft's history — 570 flaws, three zero-days, and a concurrent revelation that Secure Boot has been theatrically broken
Microsoft has shipped its largest Patch Tuesday on record, closing **622 CVEs** in a single release — more than triple the previous high set just last month in June. Two of those vulnerabilities are z
Patch Tuesday's heaviest June haul in recent memory landed alongside Anthropic's Claude Fable 5 rollout — a day where the security debt came due and the AI frontier simultaneously narrowed its own att
Microsoft's June 2026 Patch Tuesday — the largest in company history at [nearly 200 vulnerabilities patched in a single cycle](https://krebsonsecurity.com/2026/06/a-record-breaking-patch-tuesday-for-j