CVE-2026-121217

chromium-browser: Use after free in Streaming

Published Nov 3, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)

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
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title chromium-browser: Use after free in Streaming
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title Use-after-free in Chrome Streaming Allows Sandboxed Code Execution via Crafted Network Traffic
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Use-after-free in Chrome Streaming Allows Sandboxed Code Execution via Crafted Network Traffic
Type Values Removed Values Added
Description Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 5, 2026, 4:56 AM
Reserved
Nov 3, 2026, 10:33 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 5, 2026, 5:24 PM
Severity
Low
Public date
Nov 3, 2026, 8:42 PM