CVE-2026-11021

chromium-browser: Insufficient validation of untrusted input in GPU

Published Jun 4, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Description
Insufficient validation of untrusted input in GPU 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)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6325-1 chromium security update
History
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
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

ssvc

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

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'}

Type Values Removed Values Added
Title GPU Sandbox Escape via Untrusted Input in Chrome chromium-browser: Insufficient validation of untrusted input in GPU
Weaknesses CWE-179
References
Metrics threat_severity

None

cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title GPU Sandbox Escape via Untrusted Input in Chrome
Type Values Removed Values Added
Description Insufficient validation of untrusted input in GPU 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
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 8, 2026, 3:05 PM
Reserved
Jun 4, 2026, 5:06 PM
Status
Analyzed
Published
Jun 4, 2026, 11:17 PM
Modified
Jul 22, 2026, 8:10 PM
Severity
Moderate
Public date
Jun 2, 2026, 12:00 AM