CVE-2026-43654: high-severity vulnerability in Apple macOS
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.3%
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to disclose kernel memory.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Related CVEs — Apple macOS
In the same product, most dangerous first.
References
https://support.apple.com/en-us/127110https://support.apple.com/en-us/127111https://support.apple.com/en-us/127115https://support.apple.com/en-us/127116https://support.apple.com/en-us/127117https://support.apple.com/en-us/127118https://support.apple.com/en-us/127119https://support.apple.com/en-us/127120