CVE-2026-113099: Confused deputy in Omnibox

Q: Which devices are affected?

The issue affects Google Chrome on Android before version 156.0.8078.47. The provided information does not identify other platforms as affected.

Q: What does an attacker need to exploit this issue?

A remote attacker would need to cause a user to load a crafted HTML page. Successful exploitation could potentially result in arbitrary code execution inside the Chrome sandbox.

Q: How can I remediate the issue?

Update Google Chrome on Android to version 156.0.8078.47 or later. The provided information does not describe a workaround if updating is not immediately possible.

Published Sep 2, 2026

Updated

Chromium CVE-2026-113099: Improper input validation

Other sources

Confused deputy in Omnibox in Google Chrome on on Android prior to 156.0.8078.47 allowed a local attacker leveraging social engineering to obtain sensitive information via a co-installed app. (Chromium security severity: Medium)

— NVD

Improper input validation in Omnibox in Google Chrome on on Android 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

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

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

156.0.8078.47

All of the following

Google Chrome<156.0.8078.47

Google Android

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.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.4314.42
Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.8078.47
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb12u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb13u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1
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
Upgrade
Upgrade Google Chrome on Android to a version that resolves this vulnerability.
Fixed in 156.0.8078.47

Event History

Sep 2, 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·02:30 AM

DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

Which devices are affected?

The issue affects Google Chrome on Android before version 156.0.8078.47. The provided information does not identify other platforms as affected.

What does an attacker need to exploit this issue?

A remote attacker would need to cause a user to load a crafted HTML page. Successful exploitation could potentially result in arbitrary code execution inside the Chrome sandbox.

How can I remediate the issue?

Update Google Chrome on Android to version 156.0.8078.47 or later. The provided information does not describe a workaround if updating is not immediately possible.

CVE-2026-113099: Confused deputy in Omnibox

Other sources

Credit

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

Which devices are affected?

What does an attacker need to exploit this issue?

How can I remediate the issue?

Company

Resources

Contact