Description
Insufficient validation of untrusted input in WebNN in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-06-04
Score: 9.6 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6325-1 chromium security update
History

Mon, 08 Jun 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows

Sun, 07 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title WebNN Input Validation Flaw Enabling Sandbox Escape in Chrome for Windows chromium-browser: Insufficient validation of untrusted input in WebNN
Weaknesses CWE-1286
References
Metrics threat_severity

None

threat_severity

Moderate


Sat, 06 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 21:15:00 +0000

Type Values Removed Values Added
Title WebNN Input Validation Flaw Enabling Sandbox Escape in Chrome for Windows

Fri, 05 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}


Fri, 05 Jun 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 04 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient validation of untrusted input in WebNN in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-05T18:27:05.506Z

Reserved: 2026-06-04T17:06:41.130Z

Link: CVE-2026-11063

cve-icon Vulnrichment

Updated: 2026-06-05T18:27:00.771Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-04T23:17:10.793

Modified: 2026-06-08T14:51:57.013

Link: CVE-2026-11063

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-02T00:00:00Z

Links: CVE-2026-11063 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-07T15:30:04Z

Weaknesses