CVE-2026-113263: Missing authorization in Core

Q: Which installations should be prioritized for remediation?

Google Chrome on Android versions earlier than 156.0.8078.47 are affected. The provided information does not identify other platforms as affected.

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

A remote attacker needs to cause the target to process a crafted HTML page. The issue could potentially allow arbitrary code execution outside the sandbox.

Q: How can I determine whether a device is affected?

Check the installed Google Chrome version on Android. Versions prior to 156.0.8078.47 should be considered affected.

Q: What should be done if the affected version is installed?

Update Google Chrome on Android to version 156.0.8078.47 or later. No alternative mitigation is provided in the available information.

Published Mar 27, 2026

Updated

Chromium CVE-2026-113263: Use after free

Other sources

Missing authorization in Core in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to obtain cross-origin data via a crafted HTML page. (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 Core in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

— NVD

Credit

Google

Affected Software

9 affected componentsFixes available

Microsoft Edge (Chromium-based)<156.0.4314.42

156.0.4314.42

All of the following

Google Chrome<156.0.8078.47

Google Android

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.

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

Mar 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

Which installations should be prioritized for remediation?

Google Chrome on Android versions earlier than 156.0.8078.47 are affected. The provided information does not identify other platforms as affected.

What does an attacker need to exploit this issue?

A remote attacker needs to cause the target to process a crafted HTML page. The issue could potentially allow arbitrary code execution outside the sandbox.

How can I determine whether a device is affected?

Check the installed Google Chrome version on Android. Versions prior to 156.0.8078.47 should be considered affected.

What should be done if the affected version is installed?

Update Google Chrome on Android to version 156.0.8078.47 or later. No alternative mitigation is provided in the available information.

CVE-2026-113263: Missing authorization in Core

Other sources

Credit

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

Which installations should be prioritized for remediation?

What does an attacker need to exploit this issue?

How can I determine whether a device is affected?

What should be done if the affected version is installed?

Company

Resources

Contact