CVE-2026-9950: Insufficient validation of untrusted input in iOS

Published Apr 17, 2026
·
Updated

Chromium: CVE-2026-9950 Insufficient validation of untrusted input in iOS

Other sources

Insufficient validation of untrusted input in iOS in Google Chrome on iOS prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

— 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

6 affected componentsFixes available
Google Google Chrome for iOS<148.0.7778.216
Google Chrome<148.0.7778.216
148.0.7778.216
All of the following
Google Chrome<148.0.7778.216
Apple iPhone OS
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<148.0.3967.97

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 on iOS (Chromium) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216
  3. Upgrade

    Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216

Event History

Apr 17, 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
May 31, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Jun 29, 58424
Event
via FIRST·09:38 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-2026-9950?

CVE-2026-9950 has a severity rating of low with a CVSS score of 3.1.

2

How do I fix CVE-2026-9950?

To fix CVE-2026-9950, update Google Chrome on iOS to version 148.0.7778.216 or later.

3

What type of vulnerability is CVE-2026-9950?

CVE-2026-9950 is classified as an input validation vulnerability.

4

Can CVE-2026-9950 be exploited remotely?

Yes, CVE-2026-9950 can be exploited remotely if the attacker has compromised the renderer process.

5

Which software is affected by CVE-2026-9950?

CVE-2026-9950 affects Google Chrome for iOS and the Chromium-based version of Microsoft Edge.

Company

Resources

Contact

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