CVE-2026-20616highCWE-787

CVE-2026-20616: high-severity vulnerability in Apple macOS

Published 11 Feb 2026 · Updated 02 Apr 2026

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21Vexday Risk Score

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

ssvc Trackcvss 8.8epss 0.7%

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. Processing a maliciously crafted USD file may lead to unexpected app termination.

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

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · visionOS

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In the same product, most dangerous first.

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References

https://support.apple.com/en-us/126347 https://support.apple.com/en-us/126348 https://support.apple.com/en-us/126350 https://support.apple.com/en-us/126353 https://www.zerodayinitiative.com/advisories/ZDI-26-176/