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Exploit / PoCcriticalExploited in the wild

macOS High Sierra is now available

Help Net Securityby @helpnetsecurity ()4 min read2
Analyze CVE-2026-87491 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-87491
Actively Exploited Out-of-Bounds Write in Google Chrome V8
8.84%KEV
KEV

From the original article

4 min read at helpnetsecurity.com

Please turn on your JavaScript for this page to function normally. Apple macOS High Sierra is now available as a free update from the Mac App Store, and it supports all Macs introduced in late 2009 or later. APFS is a new, advanced storage architecture providing an extensible foundation to support new features and future storage technologies on the Mac.

Help Net Security

By @helpnetsecurity · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.