Live › vulnerability › CVE-2026-86929
Go to dashboardAn out-of-bounds write in an unnamed macOS component can be triggered by processing a maliciously crafted file. Apple says this may lead to arbitrary code execution.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-26 21:55 UTC. All times on this page are UTC.
Any Mac running macOS versions before the fixed releases can be affected if it processes the crafted file. The sources do not name the specific component or file type, so the exact exposure is unknown.
No product ranges from the sources yet.
27 (Golden Gate), 15.8.2 (Sequoia), or 26.7.2 (Tahoe), per the Apple advisory.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.
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