PatchSiren cyber security CVE debrief

CVE-2026-11186 Google CVE debrief

A Medium severity vulnerability, CVE-2026-11186, was found in Google Chrome prior to version 149.0.7827.53. This issue is related to an inappropriate implementation in CSS, which could allow a remote attacker to inject arbitrary scripts or HTML, leading to a User Interaction Security Spoofing (UXSS) vulnerability.

Vendor: Google
Product: Chrome
CVSS: MEDIUM 6.1
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-06
Advisory published: 2026-06-04
Advisory updated: 2026-06-06

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability has a CVSS score of 6.1 and is classified as Medium severity. It exists in the CSS implementation of Google Chrome, allowing for UXSS attacks via crafted HTML pages.

Defensive priority

Medium

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later.
Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html) for vendor advisory details.

Evidence notes

Evidence from the National Vulnerability Database (NVD) and Chromium security severity classification.

Official resources

CVE-2026-11186 CVE record
CVE.org
CVE-2026-11186 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Vendor Advisory
Source reference
[email protected] - Permissions Required

CVE-2026-11186 was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-11186) and modified on [cveModifiedAt](https://www.cve.org/CVERecord?id=CVE-2026-11186).