CVE-2026-28952highCWE-190

CVE-2026-28952: high-severity vulnerability in Apple macOS

Published 11 May 2026 · Updated 12 May 2026

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.8%

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Apple · iOS and iPadOS Apple · macOS

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References

https://support.apple.com/en-us/127111 https://support.apple.com/en-us/127115 https://support.apple.com/en-us/127116 https://support.apple.com/en-us/127117