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Vulnerability ID

CVE-2026-87657

AI Exploitable

Read memory inside the sandbox via use-after-free in V8

ProductChrome

CVSS 3.1Low3.1

EPSS0.23%

Has public PoCYes

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest PoC: $22.51
Fastest PoC: 1.3 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 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CWE: CWE-416
Weakness: Use After Free
Component: V8>WebAssembly
Impact: Read memory inside the sandbox
Published: 2026-09-09
Fixed version: 153.0.8010.36

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitAvailable

Ransomware useNone known

Severity

CVSS 3.1Only version published

3.1Low

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

Exploitability

Attack VectorNetwork

ComplexityHigh

Privileges RequiredNone

User InteractionRequired

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

EPSS

Chance of exploitation in the next 30 days

0.23%

SSVC

Stakeholder-specific vulnerability categorization

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