Vulnerability · Published Jun 29, 2026 · Assigned by apple

CVE-2026-39868

Critical 9.1

In plain English

A critical-severity improper input validation in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.7%top 47.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

This issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 18.7.100 – before 26.5.2
Apple macOS 0 – before 14.8.80 – before 15.7.80 – before 26.5.2
Apple tvOS 0 – before 26.6
Apple visionOS 0 – before 26.6
Apple watchOS 0 – before 26.6

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References