Apple macOS Sequoia (15) Update Version 15.8.1
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Update Summary
macOS Sequoia 15.8.1 addresses a CoreGraphics out-of-bounds write that could allow arbitrary code execution. Apple says the issue may have been exploited in an extremely sophisticated attack against specific targeted individuals; CVE-2026-86950.
Update Details
Security
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Product Information
Vendor: Apple
Product: macOS
Product type: Software
Platform: macOS
Variant: Sequoia (15)
Version: 15.8.1
Vendor information published: Sep 28, 2026
Original release notes: View on vendor site
Published on updatealert.io: Sep 30, 2026
Description: Desktop operating system for Apple Mac devices.