Navigation
← Menace / CVE-2026-87491
CVE-2026-87491

Google Chromium V8 Out of Bounds Write Vulnerability.

Google · Chromium V8

Exploitabilité (EPSS)
3.5 %
percentile mondial 89
Sévérité (CVSS)
·
non noté
Ajoutée au KEV
09 sept. 2026
échéance CISA · 23 sept. 2026
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.

Action requise (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Familles de faiblesses
CWE-787 · Écriture hors limites
Signal de priorisation (d’inspiration SSVC)
Examiner
Exploitation
Active (catalogue KEV)
Automatisable
Inconnu
Impact technique
Inconnu

Une orientation, pas une décision : le 4ᵉ facteur SSVC (impact mission/société) dépend du contexte de votre organisation. Méthode ↗

Autres vulnérabilités exploitées · Google
CVE-2023-4863 100% CVE-2018-17463 85% CVE-2021-21224 84% CVE-2020-6418 79% CVE-2021-21220 70% CVE-2021-30551 65%
NVD ↗ CVE.org ↗ CISA KEV ↗