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Vulnerability ID

CVE-2026-84326

AI Exploitable

Execute arbitrary code inside the sandbox via uninitialized memory in V8

ProductChrome

CVSS 3.1High8.8

EPSS0.50%

Has public PoCYes

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $19.77
Fastest run: 1.9 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Uninitialized resource in V8 in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CWE: CWE-908
Weakness: Use of Uninitialized Resource
Component: V8
Impact: Execute arbitrary code inside the sandbox
Published: 2026-09-01
Fixed version: 152.0.7977.75

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

0.50%

SSVC

Stakeholder-specific vulnerability categorization

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