CVE-2026-10997: Insufficient policy enforcement in Google Chrome
Insufficient policy enforcement in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass discretionary access control via a crafted Chrome Extension. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability (CVE-2026-10997) affects Google Chrome versions before 149.0.7827.53 and is caused by insufficient policy enforcement in the Extensions component. An attacker who persuades a user to install a crafted malicious extension can bypass discretionary access control mechanisms, potentially leading to unauthorized actions within the browser environment. The CVSS 3.1 base score is 6.5 (medium), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. The vendor advisory linked does not explicitly state patch or remediation status, but the affected version indicates the issue is fixed in 149.0.7827.53.
Potential Impact
The vulnerability allows bypassing discretionary access control via malicious Chrome extensions, potentially enabling unauthorized modification or actions within the browser. There is no impact on confidentiality or availability. The integrity impact is high, meaning attackers could alter data or behavior in the browser environment. No known exploits in the wild have been reported.
Mitigation Recommendations
The vulnerability is fixed in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the issue. Since no explicit vendor advisory states otherwise, applying this update is the recommended mitigation. No additional vendor-provided mitigations or temporary fixes are noted.
CVE-2026-10997: Insufficient policy enforcement in Google Chrome
Description
Insufficient policy enforcement in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass discretionary access control via a crafted Chrome Extension. (Chromium security severity: Medium)
CVSS v3.1
Score 6.5medium
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
This vulnerability (CVE-2026-10997) affects Google Chrome versions before 149.0.7827.53 and is caused by insufficient policy enforcement in the Extensions component. An attacker who persuades a user to install a crafted malicious extension can bypass discretionary access control mechanisms, potentially leading to unauthorized actions within the browser environment. The CVSS 3.1 base score is 6.5 (medium), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. The vendor advisory linked does not explicitly state patch or remediation status, but the affected version indicates the issue is fixed in 149.0.7827.53.
Potential Impact
The vulnerability allows bypassing discretionary access control via malicious Chrome extensions, potentially enabling unauthorized modification or actions within the browser. There is no impact on confidentiality or availability. The integrity impact is high, meaning attackers could alter data or behavior in the browser environment. No known exploits in the wild have been reported.
Mitigation Recommendations
The vulnerability is fixed in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the issue. Since no explicit vendor advisory states otherwise, applying this update is the recommended mitigation. No additional vendor-provided mitigations or temporary fixes are noted.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:06:25.280Z
- 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: 6a220810e29bf47b50dbaf82
Added to database: 06/04/2026, 23:19:44 UTC
Last enriched: 06/12/2026, 09:54:52 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 38
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.