CVE-2026-11238: Inappropriate implementation in Google Chrome
A vulnerability in Google Chrome's DevTools prior to version 149.0.7827.53 allows an attacker who convinces a user to install a malicious extension to potentially access sensitive information from process memory. The issue arises from an inappropriate implementation in DevTools. The vulnerability has a medium severity rating with a CVSS score of 5.9.
AI Analysis
Technical Summary
CVE-2026-11238 is a medium severity vulnerability in Google Chrome's DevTools affecting versions before 149.0.7827.53. It allows an attacker to obtain potentially sensitive information from process memory by tricking a user into installing a crafted malicious Chrome extension. The vulnerability is due to an inappropriate implementation in DevTools, categorized under CWE-306 (Missing Authentication for Critical Function). There is no indication of known exploits in the wild. The vulnerability requires user interaction (installing the malicious extension) and has a high attack complexity.
Potential Impact
An attacker who successfully convinces a user to install a malicious Chrome extension can potentially access sensitive information from the browser's process memory. This could lead to confidentiality breaches but does not affect integrity or availability. The attack does not require privileges or user interaction beyond installing the extension.
Mitigation Recommendations
Google has released Chrome version 149.0.7827.53 which addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are indicated in the vendor advisory.
CVE-2026-11238: Inappropriate implementation in Google Chrome
Description
A vulnerability in Google Chrome's DevTools prior to version 149.0.7827.53 allows an attacker who convinces a user to install a malicious extension to potentially access sensitive information from process memory. The issue arises from an inappropriate implementation in DevTools. The vulnerability has a medium severity rating with a CVSS score of 5.9.
CVSS v3.1
Score 5.9medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11238 is a medium severity vulnerability in Google Chrome's DevTools affecting versions before 149.0.7827.53. It allows an attacker to obtain potentially sensitive information from process memory by tricking a user into installing a crafted malicious Chrome extension. The vulnerability is due to an inappropriate implementation in DevTools, categorized under CWE-306 (Missing Authentication for Critical Function). There is no indication of known exploits in the wild. The vulnerability requires user interaction (installing the malicious extension) and has a high attack complexity.
Potential Impact
An attacker who successfully convinces a user to install a malicious Chrome extension can potentially access sensitive information from the browser's process memory. This could lead to confidentiality breaches but does not affect integrity or availability. The attack does not require privileges or user interaction beyond installing the extension.
Mitigation Recommendations
Google has released Chrome version 149.0.7827.53 which addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are indicated in the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:59.877Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a220ed9e29bf47b50de36c2
Added to database: 06/04/2026, 23:48:41 UTC
Last enriched: 06/12/2026, 10:46:20 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 48
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.