CVE-2026-113343

Chrome Sandbox Authorization Bypass Enables Arbitrary Code Execution

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Incorrect authorization in Sandbox in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox 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 DLA Debian DLA DLA-4853-1 chromium security update
Debian DSA Debian DSA DSA-6577-1 chromium security update
History
Type Values Removed Values Added
Title Chrome Sandbox Authorization Bypass Enables Arbitrary Code Execution
Type Values Removed Values Added
Title Chromium Sandbox Memory Corruption Enabling Remote Code Execution via Crafted HTML
Weaknesses CWE-119
Type Values Removed Values Added
Description Memory corruption in Sandbox in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium) Incorrect authorization in Sandbox in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-863
Type Values Removed Values Added
Title Chromium Sandbox Memory Corruption Enabling Remote Code Execution via Crafted HTML
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
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': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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 Memory corruption in Sandbox in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-119
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:20 PM
Reserved
Oct 19, 2026, 11:20 PM
Status
Modified
Published
Oct 20, 2026, 10:19 PM
Modified
Nov 3, 2026, 10:19 PM