Vulnerability · Published May 11, 2026 · Assigned by apple

CVE-2026-28956

Medium 6.5

In plain English

A medium-severity out-of-bounds read 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 0.5% (higher than 44% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 55.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS and iPadOS	0 – before 26.5
Apple	macOS	0 – before 14.8.70 – before 15.7.70 – before 26.5
Apple	tvOS	0 – before 26.5
Apple	visionOS	0 – before 26.5
Apple	watchOS	0 – before 26.5

Weakness: CWE-125, CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In plain English

Official description

Affected products (as reported)

References