Apple iOS/macOS buffer overflow in file parser fixed in 27.2
CVE-2026-86991 Published on October 26, 2026
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected process termination.
Products Associated with CVE-2026-86991
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Affected Versions
Apple iOS and iPadOS:- Before 26.7.2 is affected.
- Before 27.2 is affected.
- Before 15.8.2 is affected.
- Before 26.7.2 is affected.
- Before 27.2 is affected.
- Before 27.2 is affected.