CVE-2026-9117

Status: AnalyzedHigh (7.5)—

Type Confusion in GFX in Google Chrome on Linux, ChromeOS prior to 148.0.7778.179 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: High)

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.26%
Percentile among all scored CVEs: 16
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1203 Exploitation for Client Executionexecution85 %
Primary impactT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Secondary impactT1059 Command and Scripting Interpreterexecution75 %

XSS/interacción de usuario (UI:R) + ataque a navegador cliente → T1203. Sandbox escape en Chrome remota tras compromiso del renderer → escalada local a privilegios superiores (T1068) + posible ejecución de comandos sin sandbox (T1059).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Threat Intelligence Program Restrict Web-Based Content

Affected technologies (1)

Google — Chrome

CWEs

CWE-843

References

Raw JSON (NVD)

Show

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