CVE-2026-12025: Input Validation

Published May 27, 2026
·
Updated

Insufficient validation of untrusted input in Network in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Credit

Google

Affected Software

5 affected components
Google Google Chrome<149.0.7827.115
All of the following
Google Chrome<149.0.7827.115
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows

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 149.0.7827.114
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.115

Event History

Jun 11, 2026
CVE Published
via MITRE·08:48 PM
Data Sourced
via MITRE·08:48 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 27, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-12025?

The severity of CVE-2026-12025 is medium with a CVSS score of 5.3.

2

How do I fix CVE-2026-12025?

To fix CVE-2026-12025, update Google Chrome to version 149.0.7827.115 or later.

3

What type of vulnerability is CVE-2026-12025?

CVE-2026-12025 is an input validation vulnerability that allows the leakage of cross-origin data.

4

What is the impact of CVE-2026-12025?

CVE-2026-12025 can allow a remote attacker to access sensitive cross-origin data through a crafted HTML page.

5

Which software is affected by CVE-2026-12025?

CVE-2026-12025 affects Google Chrome prior to version 149.0.7827.115.

Contact

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