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Vulnerability ID

CVE-2026-79255

Bypass web origin policy via improper input validation in WebRTC

ProductChrome

CVSS 3.1Low3.1

EPSS0.33%

Has public PoCNo

AI Exploitability

No working AI exploit yet

Working AI PoC: Not yet
Cheapest run: $7.92
Fastest run: —

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Improper input validation in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CWE: CWE-20
Weakness: Improper Input Validation
Component: WebRTC
Impact: Bypass web origin policy
Published: 2026-08-25
Fixed version: 152.0.7977.65

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitNone known

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

0.33%

SSVC

Stakeholder-specific vulnerability categorization

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