CVE-2026-84564: medium-severity vulnerability in Apple macOS
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.4%
An uninitialized memory issue was addressed with improved memory initialization. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may result in disclosure of process memory.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Related CVEs — Apple macOS
In the same product, most dangerous first.
References
https://support.apple.com/en-us/149034https://support.apple.com/en-us/149035https://support.apple.com/en-us/149036https://support.apple.com/en-us/149037https://support.apple.com/en-us/149038https://support.apple.com/en-us/149041https://support.apple.com/en-us/149042https://support.apple.com/en-us/149043