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Vulnerability ID

CVE-2026-91745

Execute arbitrary code inside the sandbox via use-after-free in V8

ProductChrome

CVSS 3.1High8.8

EPSS0.36%

Has public PoCYes

AI Exploitability

No working AI exploit yet

Working AI PoC: Not yet
Cheapest run: $17.81
Fastest run: 1.7 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Use after free in V8 in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CWE: CWE-416
Weakness: Use After Free
Component: V8
Impact: Execute arbitrary code inside the sandbox
Published: 2026-09-15
Fixed version: 153.0.8010.47

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

0.36%

SSVC

Stakeholder-specific vulnerability categorization

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