CVE-2026-113262: Incorrect authorization in Extensions

Published May 27, 2026
·
Updated

Chromium CVE-2026-113262: Use after free

Other sources

Incorrect authorization in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Medium)

— NVD

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

Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

Credit

Google

Affected Software

8 affected componentsFixes available
Microsoft Edge (Chromium-based)<156.0.4314.42
156.0.4314.42
Google Chrome<156.0.8078.47
Microsoft Edge<156.0.4314.42
156.0.4314.42
Google Chrome<156.0.8078.47
156.0.8078.47
debian/chromium<156.0.8078.47-1~deb12u1
156.0.8078.47-1~deb12u1
debian/chromium<156.0.8078.47-1~deb13u1
156.0.8078.47-1~deb13u1
debian/chromium<156.0.8078.47-1
156.0.8078.47-1
debian/chromium<=150.0.7871.100-1~deb12u1, <=150.0.7871.181-1~deb13u1
156.0.8078.79-1~deb12u1156.0.8078.79-1~deb13u1156.0.8078.79-1

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 156.0.4314.42
  2. Upgrade

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

    Fixed in 156.0.8078.47
  3. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb12u1
  4. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb13u1
  5. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1
  6. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.79-1~deb12u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
  7. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47

Event History

May 27, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 20, 2026
CVE Published
via MITRE·09:02 PM
Data Sourced
via MITRE·09:02 PM
DescriptionWeakness
Data Sourced
via NVD·10:19 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·10:19 PM
DescriptionSeverityAffected Software
Oct 23, 2026
Data Sourced
via Microsoft·02:41 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What must an attacker do to exploit this issue?

An attacker would need to get a user to load a crafted HTML page. Successful exploitation could potentially execute arbitrary code inside the Chrome sandbox.

2

Which Chrome versions are affected?

Google Chrome versions prior to 156.0.8078.47 are affected.

3

Is this an escape from the Chrome sandbox?

The provided information describes potential code execution inside the sandbox. It does not state that an attacker can escape the sandbox or execute code on the underlying operating system.

Company

Resources

Contact

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