Denial-of-Service vulnerability in Apple OSes via input validation, fixed 26.4
CVE-2026-28894 Published on March 25, 2026
A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.
Vulnerability Analysis
CVE-2026-28894 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2026-28894
Want to know whenever a new CVE is published for Apple products? stack.watch will email you.
Affected Versions
Apple iOS and iPadOS:- Before 26.4 is affected.
- Before 14.8.5 is affected.
- Before 15.7.5 is affected.
- Before 26.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.