This month’s Patch Tuesday fixes 206 security flaws in Microsoft software, making it the biggest Patch Tuesday release ever.
The update includes 32 critical vulnerabilities, as well as three publicly disclosed zero-days. Microsoft classifies these as zero-days because information about the vulnerabilities became public before patches were available. None are known to have been actively exploited by attackers.
The huge number of fixed vulnerabilities makes this the largest Patch Tuesday since Microsoft launched the program in October 2003. The company introduced the monthly update schedule after the Blaster worm caused disruption in the early days of Windows.
How to apply patches and check if you’re protected
These updates fix security problems and keep your Windows PC protected. Here’s how to make sure you’re up to date:
