Vulnerability · Published May 11, 2026 · Assigned by apple

CVE-2026-28940

High 8.8

In plain English

A high-severity memory corruption 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 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 51.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing a maliciously crafted image may corrupt process memory.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 18.7.90 – before 26.5
Apple macOS 0 – before 15.7.70 – before 26.5
Apple tvOS 0 – before 26.5
Apple visionOS 0 – before 26.5

Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References