CVE-2026-15122

Unvalidated Codec Input Allows Sandbox Escape in Chromium

Published Jul 8, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Insufficient validation of untrusted input in Codecs in Google Chrome on Windows prior to 150.0.7871.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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

Source ID Title
Debian DLA Debian DLA DLA-4677-1 chromium security update
Debian DSA Debian DSA DSA-6387-1 chromium security update
History
Type Values Removed Values Added
Title Unvalidated Codec Input Allows Sandbox Escape in Chromium
Type Values Removed Values Added
Title Renderer Process Sandbox Escape via Crafted HTML in Chrome Codecs Module
Type Values Removed Values Added
Title Renderer Process Sandbox Escape via Crafted HTML in Chrome Codecs Module
Type Values Removed Values Added
Title Remote Renderer Compromise Enables Sandbox Escape in Chrome Codecs
Type Values Removed Values Added
Title Remote Renderer Compromise Enables Sandbox Escape in Chrome Codecs
Type Values Removed Values Added
Title Insufficient Validation in Chrome Codecs Enables Potential Sandbox Escape
Type Values Removed Values Added
Title Insufficient Validation in Chrome Codecs Enables Potential Sandbox Escape
Type Values Removed Values Added
Title Chrome Codecs Vulnerability Allows Sandbox Escape via Untrusted Input
Type Values Removed Values Added
Title Chrome Codecs Vulnerability Allows Sandbox Escape via Untrusted Input
Type Values Removed Values Added
Title Codecs Input Validation Failure Causing Sandbox Escape in Chrome Windows
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/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
Title Codecs Input Validation Failure Causing Sandbox Escape in Chrome Windows
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Insufficient validation of untrusted input in Codecs in Google Chrome on Windows prior to 150.0.7871.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 10, 2026, 3:55 AM
Reserved
Jul 8, 2026, 5:07 PM
Status
Analyzed
Published
Jul 8, 2026, 11:16 PM
Modified
Oct 25, 2026, 5:10 PM