CVE-2026-9987: Insufficient validation of untrusted input in WebAppInstalls

Published May 14, 2026
·
Updated

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 148.0.7778.216 allowed a local attacker to execute arbitrary code via a malicious file. (Chromium security severity: High)

Credit

Google

Affected Software

4 affected componentsFixes available
Google Google Chrome for Android<148.0.7778.216
Google Chrome<148.0.7778.216
148.0.7778.216
All of the following
Google Chrome<148.0.7778.216
Google Android

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 148.0.7778.216
  2. Upgrade

    Upgrade Google Chrome for Android (WebAppInstalls) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216

Event History

May 14, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 28, 2026
CVE Published
via MITRE·10:25 PM
Data Sourced
via MITRE·10:25 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Jun 29, 58424
Event
via FIRST·04:50 AM

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-2026-9987?

CVE-2026-9987 has a severity rating of high, with a CVSS score of 7.8.

2

How do I fix CVE-2026-9987?

To fix CVE-2026-9987, update Google Chrome to version 148.0.7778.216 or later.

3

What is the impact of CVE-2026-9987?

CVE-2026-9987 allows a local attacker to execute arbitrary code by exploiting insufficient validation of untrusted input.

4

Which versions of Google Chrome are affected by CVE-2026-9987?

CVE-2026-9987 affects Google Chrome on Android prior to version 148.0.7778.216.

5

Is CVE-2026-9987 limited to Android versions of Google Chrome?

Yes, CVE-2026-9987 specifically affects the Android version of Google Chrome.

Company

Resources

Contact

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