CVE-2026-86870

MediumCVSS 6.5/10Last modified Sep 18, 2026

Description

A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may lead to unexpected app termination.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-122

Affected software

VendorProductVersions
AppleiOS and iPadOS< 26.7; < 27
ApplemacOS< 27
ApplevisionOS< 27
ApplewatchOS< 27

References

Timeline

Published
Sep 14, 2026
Last modified
Sep 18, 2026
NVD status
Analyzed

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CVE-2026-86870: Medium severity, CVSS 6.5 | Vulnix