CVE-2026-11308: Inappropriate implementation in Google Chrome
CVE-2026-11308 is a vulnerability in Google Chrome prior to version 149.0.7827.53 involving an inappropriate implementation in the Extensions system. This flaw allows an attacker who convinces a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. The vulnerability has a medium severity rating with a CVSS score of 6.3. No known exploits are reported in the wild. The vendor advisory does not explicitly confirm patch availability but references a stable channel update.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-11308) affects Google Chrome versions before 149.0.7827.53. It arises from an inappropriate implementation in the Extensions feature, enabling privilege escalation if a user installs a malicious extension crafted by an attacker. The CVSS vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and low impact on confidentiality, integrity, and availability. The vulnerability is categorized under CWE-269 (Improper Privilege Management).
Potential Impact
An attacker who convinces a user to install a malicious Chrome extension can escalate privileges within the browser context. This could lead to limited confidentiality, integrity, and availability impacts as indicated by the CVSS metrics. There are no reports of exploitation in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome that addresses this issue. Users and administrators should update Chrome to version 149.0.7827.53 or later to remediate this vulnerability. Patch status is not explicitly confirmed in the advisory, but the referenced update strongly suggests the fix is included. Verify the update through the official Google Chrome release notes.
CVE-2026-11308: Inappropriate implementation in Google Chrome
Description
CVE-2026-11308 is a vulnerability in Google Chrome prior to version 149.0.7827.53 involving an inappropriate implementation in the Extensions system. This flaw allows an attacker who convinces a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. The vulnerability has a medium severity rating with a CVSS score of 6.3. No known exploits are reported in the wild. The vendor advisory does not explicitly confirm patch availability but references a stable channel update.
CVSS v3.1
Score 6.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-11308) affects Google Chrome versions before 149.0.7827.53. It arises from an inappropriate implementation in the Extensions feature, enabling privilege escalation if a user installs a malicious extension crafted by an attacker. The CVSS vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and low impact on confidentiality, integrity, and availability. The vulnerability is categorized under CWE-269 (Improper Privilege Management).
Potential Impact
An attacker who convinces a user to install a malicious Chrome extension can escalate privileges within the browser context. This could lead to limited confidentiality, integrity, and availability impacts as indicated by the CVSS metrics. There are no reports of exploitation in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome that addresses this issue. Users and administrators should update Chrome to version 149.0.7827.53 or later to remediate this vulnerability. Patch status is not explicitly confirmed in the advisory, but the referenced update strongly suggests the fix is included. Verify the update through the official Google Chrome release notes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:11:22.367Z
- 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: 6a220ef6e29bf47b50de3c1b
Added to database: 06/04/2026, 23:49:10 UTC
Last enriched: 06/12/2026, 10:45:18 UTC
Last updated: 07/26/2026, 20:52:03 UTC
Views: 117
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