Integer Overflow Vulnerability in Apple's iOS, iPadOS, and macOS Products
CVE-2026-28952

7.5HIGH

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28952?

An integer overflow vulnerability exists in Apple's software, which may allow a malicious application to cause unexpected system termination. This issue has been addressed with improved input validation in recent updates to iOS, iPadOS, and macOS versions.

Affected Version(s)

iOS and iPadOS 0 < 18.7.9

macOS 0 < 14.8.7

macOS 0 < 15.7.7

References

https://support.apple.com/en-us/127111
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127116

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.