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2 IOCs

CVE-2026-87491: Chrome V8 Zero-Day Exploited in the Wild Enables Arbitrary Code Execution

SOC Prime
SOC Prime
Published September 9, 2026Original Report

Excerpt

Google has released Chrome 153 with a fix for another zero-day vulnerability already being exploited in real-world attacks. Tracked as CVE-2026-87491, the flaw is an out-of-bounds write vulnerability in V8, the JavaScript and WebAssembly engine at the core of Google Chrome. Successful exploitation can allow a remote attacker to execute arbitrary code inside the browser sandbox through a specially crafted HTML page. The vulnerability was fixed in Chrome 153.0.8010.36/.37 for…

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Indicators of Compromise

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2 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-85046HighScore 79/100First seen
CVECVE-2026-87491HighScore 74/100First seen

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