Apple’s macOS 11.3 fixes a zero-day exploit and contains M1 enhancements

The newest replace to Apple’s Massive Sur contains important safety patches, which is why Cory Bohon advises upgrading your macOS units now.

Picture: Screenshot by Stephen Shankland/CNET

Apple launched macOS 11.3 on April 26, 2021 to the general public. The 11.3 replace to Massive Sur is out there to all suitable methods. 

This replace features a severe safety replace that fixes a zero-day exploit associated to the File Quarantine and GateKeeper system in macOS. The safety replace is backwards suitable with macOS Catalina and macOS Mojave for customers nonetheless on these OSes. Apple was conscious of an assault on this technique that might result in somebody downloading and operating malicious software program that was capable of get round these protections Apple has in place. This specific flaw was already being utilized in an assault vector in opposition to macOS customers on the web and thru varied software program obtain and Mac-related web sites.

SEE: Tips on how to migrate to a brand new iPad, iPhone, or Mac (TechRepublic Premium)

Past the safety updates, macOS 11.3 has adjustments for M1 Macs, together with the flexibility for iPhone and iPad apps operating on M1 Macs to be resized.

The macOS 11.3 replace additionally provides options obtainable to customers in iOS 14.5, which was launched the identical day. These options embrace the flexibility to make use of AirTags within the Discover My app, new emoji and new Siri voices.

For individuals who recreation on their macOS units, Apple added help for Xbox Collection X/S and PlayStation 5 controllers, full with haptic/vibration help. As well as, iPhone and iPad video games operating on the M1 Macs gained keyboard, mouse and trackpad help for video games that had been already suitable with controllers.

This macOS 11.3 replace is suggested for all customers to improve instantly because of the safety patches included.

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