PSA: Make Sure to Update, iOS 16.6.1 and macOS 13.5.2 Address Actively Exploited Vulnerability - MacRumorsOpen MenuShow RoundupsShow Forums menuVisit ForumsOpen Sidebar
Skip to Content

PSA: Make Sure to Update, iOS 16.6.1 and macOS 13.5.2 Address Actively Exploited Vulnerability

The macOS 13.5.2, iOS 16.6.1, iPadOS 16.6.1, and watchOS 9.6.2 updates that Apple released today includes fixes for security vulnerabilities that Apple says may have been actively exploited in the wild.

macbook air purple
According to Apple's security support page, in iOS, iPadOS, and macOS, processing a maliciously crafted image could lead to arbitrary code execution, allowing a hacker to gain access to the operating system with a simple picture. Apple fixed the ImageIO process by addressing a buffer overflow issue to improve memory handling.

In iOS, iPadOS, and watchOS, a maliciously crafted attachment in the Wallet app could also lead to arbitrary code execution. Apple addressed the validation issue with improved logic.

As these updates include important security fixes, everyone should install iOS 16.6.1, iPadOS 16.6.1, macOS 13.5.2, and watchOS 9.6.2 as soon as possible. Apple recommends these software updates for all users.

Update: As reported by Citizen Lab, the vulnerabilities are part of a "BLASTPASS" exploit chain that was observed having been used in the wild to deliver NSO Group's Pegasus spyware. Pegasus is of critical concern to government officials, journalists, activists, and others with potentially sensitive information on their devices.

The zero-click vulnerability allowed attackers to send a maliciously crafted PassKit (Wallet) image to a target via iMessage, infecting their device "without any interaction from the victim."

The attacks can be blocked by applying today's updates or by enabling Lockdown Mode on your device.

Related Forums: iOS 16, macOS Ventura

Popular Stories

iOS 27 Next to iPhone

Here's When iOS 27 Rolls Out Today in Every Time Zone [Update: It's Out]

Sunday September 13, 2026 3:00 am PDT by
Update 10:04 a.m.: iOS 27 is rolling out now, though it may take a bit for all users to see it, so keep checking! Apple is about to release iOS 27, which will finally deliver more advanced Siri AI capabilities as well as a variety of other refinements, improvements, and new features to iPhones. It's Apple's biggest software update of the year, and Apple announced at Wednesday's iPhone event...
iOS 27 Icon iPhone

iOS 27 Available Now With These 8 New Features

Monday September 14, 2026 9:00 am PDT by
Update — 10 a.m. Pacific Time: Apple has released iOS 27. During its iPhone 18 Pro and iPhone Duo event last week, Apple announced that iOS 27 will be released widely on Monday, September 14. iOS 27 should be available around 10 a.m. Pacific Time / 1 p.m. Eastern Time today via the Settings app, under General → Software Update. Below, we have highlighted eight new features and...
Apple iCloud Plus expansion hero

iCloud+ Now Includes Apple TV, Apple Arcade, and Curated Apple Music Stations in Over 100 Countries

Tuesday September 15, 2026 1:43 am PDT by
Apple today announced a new subscription initiative that turns paid iCloud+ subscriptions into a broader services bundle in more than 100 countries. In select countries, Apple says every paid iCloud+ plan, including the cheapest 50GB tier, now includes Apple TV and Apple Arcade "at no additional cost," while family sharing extends the storage, TV and Arcade access to up to five people....

Top Rated Comments

40 months ago

Why would I update when the new os coming out in 2 weeks time
Because there's an actively exploited vulnerability around.
Score: 31 Votes (Like | Disagree)
k1121j Avatar
40 months ago
Is this the one that slows down my phone and makes it buggy so I wanna buy a new one?
Score: 28 Votes (Like | Disagree)
thinkgolden Avatar
40 months ago

macOS is still bad at this. I can install months of updates in Windows 5 times faster than a Mac updates.
I call B.S.!! Every time I have to unpack a DELL or Lenovo or any other PC in this IT world, I have to run updates 2 or 3 times because it can't do it at once and no way is it 5 times faster.
Score: 15 Votes (Like | Disagree)
40 months ago

For those of us who are stuck on an unsupported Mac OS version due to financial reasons, any details on how this image exploit is used so we can try to avoid it? Is it as simple as someone emailing you an image embedded into the body? Or an attachment you have to open?
I found an image that clearly demonstrates the procedure for solving your issue, But be sure to close your eyes when you view this image to avoid being hacked.



Attachment Image
Score: 15 Votes (Like | Disagree)
raziel101 Avatar
40 months ago
For those of us who are stuck on an unsupported Mac OS version due to financial reasons, any details on how this image exploit is used so we can try to avoid it? Is it as simple as someone emailing you an image embedded into the body? Or an attachment you have to open?
Score: 15 Votes (Like | Disagree)
40 months ago
So what's the difference between these updates and the automatic behind-the-scenes thing that is supposed to keep us all safe without us having to do anything?
Score: 14 Votes (Like | Disagree)