CVE-2026-113249: Missing authorization in Mobile

Published May 15, 2026
·
Updated

Chromium CVE-2026-113249: Improper input validation

Other sources

Improper input validation in Mobile in Google Chrome on on iOS 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

Missing authorization in Mobile in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to bypass system access restrictions 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

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
Apple iPhone OS
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 on iOS to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47

Event History

May 15, 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·02:39 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which deployments are affected?

Google Chrome on iOS versions prior to 156.0.8078.47 are affected. The issue is described specifically in the Mobile component.

2

What does exploitation require?

A remote attacker would need to get a user to process a crafted HTML page in the affected browser. Successful exploitation could potentially result in arbitrary code execution inside Chrome's sandbox.

3

What should teams do to remediate the issue?

Update Google Chrome on iOS to version 156.0.8078.47 or later. The provided information does not identify a workaround for systems that cannot be updated immediately.

Company

Resources

Contact

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