CVE-2026-28918mediumCWE-125 CWE-787

CVE-2026-28918: medium-severity vulnerability in Apple macOS

Published 11 May 2026 · Updated 12 May 2026

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13Vexday Risk Score

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

ssvc Trackcvss 6.5epss 0.5%

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

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

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · tvOS Apple · visionOS Apple · watchOS

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References

https://support.apple.com/en-us/127110 https://support.apple.com/en-us/127115 https://support.apple.com/en-us/127118 https://support.apple.com/en-us/127119 https://support.apple.com/en-us/127120