CVE-2026-95356

chromium-browser: Use after free in WindowDialog

Published Sep 29, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Description
Use after free in WindowDialog in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6513-1 chromium security update
History
Type Values Removed Values Added
Title Remote Code Execution via Use-After‑Free in Chrome WindowDialog chromium-browser: Use after free in WindowDialog
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Remote Code Execution via Use-After‑Free in Chrome WindowDialog
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
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'}

ssvc

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

Type Values Removed Values Added
Description Use after free in WindowDialog in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Sep 30, 2026, 3:55 AM
Reserved
Sep 22, 2026, 5:10 AM
Status
Analyzed
Published
Sep 29, 2026, 6:17 PM
Modified
Sep 30, 2026, 4:25 PM
Severity
Important
Public date
Sep 29, 2026, 5:31 PM