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CVE-2026-12011

CWE-416

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
Exploitation
Not in CISA KEV
No federal exploitation record
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

Tracked incidents

vulnerability closed 2 articles
Chrome 149 security update patches 28 vulnerabilities

Coverage timeline