AppleCVE-2026-86946

Apple macOS: use after free

CVE-2026-86946 · Published Oct 26, 2026 · updated Oct 27, 2026

Unrated

Fix: upgrade to 15.8.2 or later (3 fixed versions below)

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected versions

Package	Affected	Fixed in
macOS Product	< 15.8.2	15.8.2
	< 26.7.2	26.7.2
	< 27.2	27.2

Details and references

Severity from: no source yet

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