CVE-2026-8530

Status: AnalyzedHigh (8.3)—

Use after free in Network in Google Chrome on Windows prior to 148.0.7778.168 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)

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Base score: 8.3

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.28%
Percentile among all scored CVEs: 19
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 impactT1059 Command and Scripting Interpreterexecution80 %
Secondary impactT1068 Exploitation for Privilege Escalationprivilege escalation75 %

UI:R y acceso remoto (AV:N) → T1203 (ejecución en cliente). Use-after-free en renderer permite ejecutar código (T1059) y escapar sandbox para escalar privilegios (T1068).

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-416

References

Raw JSON (NVD)

Show

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