Is CVE-2026-86876 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86876?

CVE-2026-86876 has a CVSS v3 severity of MEDIUM (5.2).

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CVE-2026-86876

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.