CVE-2026-39868

CRITICAL

Apple Ios And iPadOS - Denial of Service

Title source: rule
STIX 2.1

Description

This issue was addressed with improved input validation. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Scores

CVSS v3 9.1
EPSS 0.0037
EPSS Percentile 29.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (5)
Apple/iOS and iPadOS < 26.5.2
apple/ipados < 26.5.2
apple/iphone_os < 26.5.2
Apple/macOS < 26.5.2
apple/macos < 26.5.2
Published Jun 29, 2026
Tracked Since Jun 30, 2026