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iOS, iPadOS, macOS, tvOS, visionOS, watchOS: Malicious Web Content Can Crash Device
CVE-2026-28879
Summary
Some Apple devices are vulnerable to a crash when processing malicious web content. This could happen if a user visits a compromised website or opens a malicious email attachment. To stay protected, make sure your device is running the latest software update.
Original title
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS...
Original description
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
- https://support.apple.com/en-us/126792
- https://support.apple.com/en-us/126793
- https://support.apple.com/en-us/126794
- https://support.apple.com/en-us/126795
- https://support.apple.com/en-us/126796
- https://support.apple.com/en-us/126797
- https://support.apple.com/en-us/126798
- https://support.apple.com/en-us/126799
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026