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Vulnerability ID

CVE-2026-15775

Bypass same origin policy via security policy bypass in V8

ProductChrome

CVSS 3.1Medium6.5

EPSS0.24%

Has public PoCYes

AI Exploitability

No working AI exploit yet

Working AI PoC: Not yet
Cheapest run: $15.95
Fastest run: 1.9 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Inappropriate implementation in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

CWE: CWE-346
Weakness: Origin Validation Error
Component: V8
Impact: Bypass same origin policy
Published: 2026-07-14
Fixed version: 150.0.7871.125

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitAvailable

Ransomware useNone known

Severity

CVSS 3.1Only version published

6.5Medium

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

Exploitability

Attack VectorNetwork

ComplexityLow

Privileges RequiredNone

User InteractionRequired

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

EPSS

Chance of exploitation in the next 30 days

0.24%

SSVC

Stakeholder-specific vulnerability categorization

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