CVE-2026-11165 | Use after free in WebMIDI in Google Chrome on iOS prior to 1… | CVSS 9.6 CRITICAL

Description

Use after free in WebMIDI in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Metadata

CVE ID: CVE-2026-11165
State: PUBLISHED
Assigner: Chrome
Reserved: 2026-06-04 17:10 UTC
Published: 2026-06-04 23:05 UTC
Last updated: 2026-06-05 17:25 UTC
Primary CWE: CWE-416
Use after free
Vendor / Product: Google / Chrome
Sources: cve.org · NVD

Severity & Metrics

9.6 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Google	Chrome	—	149.0.7827.53 < 149.0.7827.53

Weakness (CWE)

CWE	Source	Description
CWE-416	cna	Use after free
CWE-416	adp	CWE-416 Use After Free

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.6	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References (2)