Buffer Overflow Vulnerability in Apple iOS, iPadOS, and macOS Products

CVE-2026-86991

What is CVE-2026-86991?

A buffer overflow vulnerability was detected in various Apple operating systems, which could be triggered by processing a maliciously crafted file. This vulnerability, if exploited, may lead to unexpected termination of the processes involved, potentially compromising system stability. Apple has implemented improved bounds checking in the latest updates for devices running iOS, iPadOS, macOS, and visionOS to mitigate this issue. Users are strongly advised to update their systems to ensure protection against this vulnerability.

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