CVE-2026-121143

chromium-browser: Uninitialized resource in GPU

Published Nov 3, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
Uninitialized resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

Type Values Removed Values Added
Title GPU Resource Uninitialized Memory Read in Google Chrome Prior to 157.0.8103.38 chromium-browser: Uninitialized resource in GPU
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title GPU Resource Uninitialized Memory Read in Google Chrome Prior to 157.0.8103.38
Type Values Removed Values Added
Description Uninitialized resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-908
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 9, 2026, 7:25 PM
Reserved
Nov 3, 2026, 9:58 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 10, 2026, 8:29 PM
Severity
Important
Public date
Nov 3, 2026, 8:42 PM