CVE-2026-7953: Insufficient validation of untrusted input in Omnibox

Published Mar 26, 2026
·
Updated

Chromium: CVE-2026-7953 Insufficient validation of untrusted input in Omnibox

Other sources

Insufficient validation of untrusted input in Omnibox in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (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

8 affected componentsFixes available
Google Google Chrome<148.0.7778.96
Google Chrome<148.0.7778.96
148.0.7778.96
All of the following
Google Chrome<148.0.7778.96
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<148.0.3967.54

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 148.0.7778.96
  2. Upgrade

    Upgrade Google Chrome/Chromium to a version that resolves this vulnerability.

    Fixed in 148.0.7778.96
  3. Compensating control

    If immediate update is not possible, reduce exposure to malicious network traffic targeting the Omnibox (e.g., limit access to untrusted networks or apply network filtering to block malicious traffic).

Event History

Mar 26, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 6, 2026
CVE Published
via MITRE·06:12 PM
Data Sourced
via MITRE·06:12 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
May 7, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
May 30, 58331
Event
via FIRST·09:19 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-2026-7953?

CVE-2026-7953 has a medium severity rating of 6.1 based on CVSS 3.1.

2

How do I fix CVE-2026-7953?

To fix CVE-2026-7953, update Google Chrome or Microsoft Edge to version 148.0.7778.96 or later.

3

What type of attack does CVE-2026-7953 allow?

CVE-2026-7953 allows a remote attacker to inject arbitrary scripts or HTML through insufficient validation of untrusted input.

4

Which software is affected by CVE-2026-7953?

CVE-2026-7953 affects Google Chrome and Microsoft Edge (Chromium-based) prior to version 148.0.7778.96.

5

What is the primary vulnerability in CVE-2026-7953?

The primary vulnerability in CVE-2026-7953 is insufficient validation of untrusted input in Omnibox.

Company

Resources

Contact

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