Update your Windows PC now! Microsoft racing to fix ‘critical’ security flaw used by hackers
![a microsoft surface laptop is pictured on a biohazard warning pattern](https://www.gbnews.com/media-library/a-microsoft-surface-laptop-is-pictured-on-a-biohazard-warning-pattern.png?id=51478205&width=1200&height=800&quality=90&coordinates=109%2C0%2C141%2C0)
Microsoft has issued a security update to Windows users worldwide with an urgent fix for two zero-day vulnerabilities
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