Apple iOS/iPadOS Stack Overflow Fixed in 18.7.7 & 26.4
CVE-2026-28852 Published on March 25, 2026
A stack overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.
Vulnerability Analysis
CVE-2026-28852 is exploitable with local system access, requires 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-2026-28852
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Affected Versions
Apple iOS and iPadOS:- Before 18.7.7 is affected.
- Before 26.4 is affected.
- Before 15.7.5 is affected.
- Before 26.4 is affected.
- Before 26.4 is affected.
- Before 26.4 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.