Vulnerability · Published Jul 27, 2026 · Assigned by apple

CVE-2026-43813

High 7.1

In plain English

A high-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 0.2% (higher than 6% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 93.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A maliciously crafted app may be able to bypass code signing enforcement.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 26.6
Apple macOS 0 – before 26.6
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References