CVE-2026-87491CISA KEVEPSS p87.5%

CVE-2026-87491Google Chromium V8 Out of Bounds Write Vulnerability

Google / Chromium V8

Description

Google Chromium V8 contains an out of bounds write vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS3.14% probability of exploitation · percentile 87.5% · 2026-10-05T12:00:23Z
Last modified2026-09-21

CISA KEV entry

Added to KEV: 2026-09-09

Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.