CVE-2026-10997: Insufficient policy enforcement in Extensions

Published Nov 28, 2025
·
Updated

Chromium: CVE-2026-10997 Insufficient policy enforcement in Extensions

Other sources

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)

— MITRE

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Credit

djallalakira.com@@gmail

Affected Software

4 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
Google Chrome<149.0.7827.53
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<149.0.4022.52

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  2. Upgrade

    Upgrade chromium/google chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53

Event History

Nov 28, 2025
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:04 PM
Data Sourced
via MITRE·11:04 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jun 5, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-10997?

CVE-2026-10997 has a medium severity rating of 6.5 according to the CVSS 3.1 framework.

2

How do I fix CVE-2026-10997?

To fix CVE-2026-10997, ensure that you update Google Chrome or Microsoft Edge to version 149.0.7827.53 or later.

3

What software is affected by CVE-2026-10997?

CVE-2026-10997 affects Google Chrome versions prior to 149.0.7827.53 and Microsoft Edge versions based on Chromium.

4

What type of vulnerability is CVE-2026-10997?

CVE-2026-10997 is classified as an insufficiency in policy enforcement in browser extensions.

5

What is the impact of CVE-2026-10997?

The impact of CVE-2026-10997 allows attackers to bypass discretionary access control by using a crafted Chrome Extension.

Company

Resources

Contact

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