AppleCVE-2026-112670

Apple macOS: out-of-bounds write

CVE-2026-112670 · Published Oct 26, 2026 · updated Oct 27, 2026

Unrated

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

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to heap corruption.

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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