Update Now: iOS 26.3 and macOS Tahoe 26.3 Fix Dozens of Security Vulnerabilities - MacRumorsOpen MenuShow RoundupsShow Forums menuVisit ForumsOpen Sidebar
Skip to Content

Update Now: iOS 26.3 and macOS Tahoe 26.3 Fix Dozens of Security Vulnerabilities

Apple today released iOS 26.3, iPadOS 26.3, and macOS Tahoe 26.3, all of which largely focus on bug fixes and security improvements. Apple says that the updates address dozens of vulnerabilities, including one that is known to have been actively exploited.

bug security vulnerability issue fix larry
That vulnerability in the dyld dynamic link editor could allow for the execution of arbitrary code, and Apple says the bug may have been exploited in an "extremely sophisticated attack" against targeted individuals on versions of iOS before iOS 26.

An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26.

Apple says the memory corruption issue was fixed with improved state management.

There are numerous other vulnerabilities that were also fixed across not only iOS, iPadOS, and macOS, but also Apple's other platforms that saw updates released today.

Now that these vulnerabilities have been publicized by Apple, even those that were not exploited before might be taken advantage of now. Apple recommends all users update their devices to iOS 26.3, iPadOS 26.3, and ‌macOS Tahoe‌ 26.3 as soon as possible.

Related Roundups: iOS 26, iPadOS 26, macOS Tahoe
Related Forums: iOS 26, macOS Tahoe

Popular Stories

Jon Prosser Rainbow

YouTuber Jon Prosser Responds to Apple's Lawsuit Over iOS 26 Leaks

Thursday July 2, 2026 6:42 pm PDT by
Jon Prosser today responded to Apple's lawsuit over iOS 26 leaks, with the YouTuber placing much of the blame on his acquaintance Michael Ramacciotti. As a refresher, Apple sued Prosser and Ramacciotti in July 2025 over alleged theft of the company's trade secrets. Apple alleged that the duo coordinated to break into former Apple software engineer Ethan Lipnik's development iPhone, in order ...
iOS 26

Apple Seeds Fourth iOS 26.6 and iPadOS 26.6 Betas to Developers

Monday July 6, 2026 10:17 am PDT by
Apple today seeded the fourth betas of upcoming iOS 26.6 and iPadOS 26.6 updates to developers for testing purposes, with the software coming a week after Apple seeded the third betas. Registered developers can download the betas from the Settings app on the iPhone or iPad by going to the General section and selecting Software Update. With iOS 27 set to launch in September, Apple is...
iOS 26

Apple Seeds Fourth Public Betas of iOS 26.6, macOS Tahoe 26.6 and More

Tuesday July 7, 2026 1:16 pm PDT by
Apple today provided public beta testers with the fourth betas of iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, watchOS 26.6, and tvOS 26.6, with the software coming a day after Apple seeded the betas to developers. After signing up to beta test the software updates on Apple's beta site, public beta testers can download the new software using the Software Update section in the Settings app on...

Top Rated Comments

trusso Avatar
24 weeks ago

There is also an iOS 18.7.5 release that fixes these same vulnerabilities, but once again Apple has chosen to only give it to devices that cannot run iOS 26.
Shameful that Apple is doing this. It's obvious they don't actually care about security if they won't provide updates to iOS 18 users who still want to stay on iOS 18. Despicable.
Score: 37 Votes (Like | Disagree)
HouseLannister Avatar
24 weeks ago
There is also an iOS 18.7.5 release that fixes these same vulnerabilities, but once again Apple has chosen to only give it to devices that cannot run iOS 26.
Score: 16 Votes (Like | Disagree)
dannyyankou Avatar
24 weeks ago
I know people get bored with minor updates, but I think we take for granted sometimes the security updates that iOS gets. They do a good job preventing cyber attacks.
Score: 13 Votes (Like | Disagree)
24 weeks ago
Which means we've been using Macs with dozens of security issues
Score: 8 Votes (Like | Disagree)
kotaKat Avatar
24 weeks ago
Hmmmm… I bet they’ll come out with 26.4 next.

Subscribe to my newsletter for more!
Score: 7 Votes (Like | Disagree)
24 weeks ago
Damn, this is nuts, I'm on 18 and 3 minor security updates behind, because Apple need my phone to be less usable to buy new
Score: 6 Votes (Like | Disagree)

🔗 Related Apple News & Rumors

Stay updated with the latest Apple ecosystem news and verified rumors