CVE-2026-11658

MEDIUM EPSS 13.0%

Published Jun 9, 20262w ago · Modified Jun 17, 20261w ago

6.5 CVSS 3.1

Medium

Published Jun 9, 2026 2w ago

Last Modified Jun 17, 2026 1w ago

Description

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS Details

Base Score

6.5

Exploitability

2.8

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

13.0% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 4

Vendor	Product	Version	Range
google	chrome	*	<149.0.7827.103
apple	macos	*	any
linux	linux_kernel	*	any
microsoft	windows	*	any

References 2

chromereleases.googleblog.com https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html

Release NotesVendor Advisory
issues.chromium.org https://issues.chromium.org/issues/513564337

Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.