CVE-2026-84524: Processing a maliciously crafted font file may lead to unexpected app termination in Apple iOS and iPadOS
CVE-2026-84524 is a vulnerability in Apple iOS and iPadOS where processing a maliciously crafted font file may cause unexpected app termination. The issue is due to an out-of-bounds read that has been addressed with improved bounds checking. This vulnerability affects multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Fixed versions include iOS 26.7 and later, iPadOS 26.7 and later, macOS Sequoia 15.8 and later, and corresponding versions of other Apple OSes.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read triggered by processing a maliciously crafted font file on Apple operating systems such as iOS and iPadOS. The flaw could lead to unexpected application termination (crashes). Apple fixed this issue by improving bounds checking in font processing code. The fix is included starting with iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, and equivalent versions of other Apple platforms. No CVSS score is provided, and there are no known exploits in the wild at this time.
Potential Impact
The impact of this vulnerability is limited to unexpected app termination, which could cause denial of service conditions for affected applications processing malicious font files. There is no indication of code execution or data leakage from the provided information.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, and corresponding versions of other Apple operating systems. Users and administrators should update to these fixed versions to remediate the issue. No additional mitigation steps are indicated.
CVE-2026-84524: Processing a maliciously crafted font file may lead to unexpected app termination in Apple iOS and iPadOS
Description
CVE-2026-84524 is a vulnerability in Apple iOS and iPadOS where processing a maliciously crafted font file may cause unexpected app termination. The issue is due to an out-of-bounds read that has been addressed with improved bounds checking. This vulnerability affects multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Fixed versions include iOS 26.7 and later, iPadOS 26.7 and later, macOS Sequoia 15.8 and later, and corresponding versions of other Apple OSes.
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Apple
watchOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read triggered by processing a maliciously crafted font file on Apple operating systems such as iOS and iPadOS. The flaw could lead to unexpected application termination (crashes). Apple fixed this issue by improving bounds checking in font processing code. The fix is included starting with iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, and equivalent versions of other Apple platforms. No CVSS score is provided, and there are no known exploits in the wild at this time.
Potential Impact
The impact of this vulnerability is limited to unexpected app termination, which could cause denial of service conditions for affected applications processing malicious font files. There is no indication of code execution or data leakage from the provided information.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, and corresponding versions of other Apple operating systems. Users and administrators should update to these fixed versions to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.749Z
- State
- PUBLISHED
Threat ID: 6aa8610455bf5e2cf59d2848
Added to database: 09/14/2026, 21:03:00 UTC
Last enriched: 09/14/2026, 22:31:00 UTC
Last updated: 09/15/2026, 02:01:22 UTC
Views: 2
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