CVE-2026-121047
8.8 HIGHPublished 2026-11-03 · Updated 2026-11-04
AI risk analysis
- Summary
- A heap-based buffer overflow in Chrome's media component allowed remote code execution via a malicious HTML page loaded by a user.
- Exploitability
- Requires user interaction (e.g., visiting a crafted webpage); no special privileges needed.
- Blast radius
- Successful exploitation could lead to full compromise of the sandboxed Chrome renderer process, potentially enabling data theft, browser hijacking, or lateral movement within the user's session.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade Google Chrome to version 157.0.8103.38 or later.
rcebuffer-overflowsandbox-escapeweb
Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
Buffer overflow in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-122
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- CRITICALCVE-2026-121086
- CRITICALCVE-2026-121156
- CRITICALCVE-2026-121247
- CRITICALCVE-2026-121249
- HIGHCVE-2026-103631
- CRITICALCVE-2026-119261
- CRITICALCVE-2026-95284
- CRITICALCVE-2026-95318
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