Vulnerability intelligence

CVE-2026-12011

Use after free in WebMIDI in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS Score

8.3

High

EPSS — Exploit Probability

0.2%

Riskier than 16% of all CVEs · checked 2026-09-09

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered Jun 12, 2026 · latest Jun 12, 2026

Coverage timeline

Chrome 149 Patches 28 Flaws, Several Critical UAF Bugs
securityonline.info · Jun 12, 2026

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