CVE-2026-86991

HighCVSS 7.5/10Last modified Nov 4, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
Apple	iOS and iPadOS	< 26.7.2; < 27.2
Apple	macOS	< 15.8.2; < 26.7.2; < 27.2
Apple	visionOS	< 27.2

References

Timeline

Published: Oct 26, 2026
Last modified: Nov 4, 2026
NVD status: Analyzed

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