CVE-2026-17991
Received Received - Intake

Sandbox Escape via HTML in Google Chrome

Publication date: 2026-07-30

Last updated on: 2026-07-30

Assigner: Chrome

Description
Insufficient validation of untrusted input in AI in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-30
Last Modified
2026-07-30
Generated
2026-07-30
AI Q&A
2026-07-30
EPSS Evaluated
N/A
NVD
CVE-2026-17991
EUVD
EUVD-2026-50917

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome 151.0.7922.72

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves insufficient validation of untrusted input in Google Chrome's AI features. A remote attacker who compromised the renderer process could exploit this to potentially escape the sandbox via a specially crafted HTML page.

Impact Analysis

If exploited, this could allow an attacker to escape the browser's security sandbox, potentially gaining access to system resources or data beyond the browser's intended restrictions.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-17991. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart