CVE-2026-65346highCWE-190

CVE-2026-65346: high-severity vulnerability in Apple macOS

Published 17 Aug 2026 · Updated 26 Oct 2026

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21Vexday Risk Score

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

ssvc Trackcvss 8.8epss 0.6%

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing an image may lead to arbitrary code execution.

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 · tvOS Apple · visionOS Apple · watchOS

Related CVEs — Apple macOS

In the same product, most dangerous first.

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References

https://support.apple.com/en-us/148281 https://support.apple.com/en-us/148282 https://support.apple.com/en-us/149036 https://support.apple.com/en-us/149037 https://support.apple.com/en-us/149038 https://support.apple.com/en-us/149043