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Vulnerability ID

CVE-2026-15903

AI Exploitable

Execute arbitrary code inside a sandbox via out-of-bounds access in V8

ProductChrome

CVSS 3.1High8.8

EPSS0.41%

Has public PoCYes

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $8.68
Fastest run: 1.1 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Out of bounds read and write in V8 in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CWE: CWE-125
Weakness: Out-of-bounds Read
Component: V8
Impact: Execute arbitrary code inside a sandbox
Published: 2026-07-20
Fixed version: 150.0.7871.128

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitAvailable

Ransomware useNone known

Severity

CVSS 3.1Only version published

8.8High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability

Attack VectorNetwork

ComplexityLow

Privileges RequiredNone

User InteractionRequired

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.41%

SSVC

Stakeholder-specific vulnerability categorization

Not scored. CISA publishes an SSVC decision for a subset of CVEs.