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ChromeWeb browser · Google

CVE-2026-12441

HIGH · 8.8 CVSS v3.1 Published 2026-06-17
Fix available
A fix is available. Upgrade to 149.0.7827.155 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Use after free in File Input in Google Chrome on Linux prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Use-after-free vulnerability in the File Input component of Google Chrome on Linux allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. The vulnerability exists in versions prior to 149.0.7827.155 and is classified as Critical severity.

MitigationUpdate Google Chrome for Linux to version 149.0.7827.155 or later to address the use-after-free in the File Input component.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
ChromeWeb browser
Affected:< 149.0.7827.155

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Check Google Chrome version via command line
    Run `google-chrome-stable --version` or `google-chrome --version` in a terminal
    Affected if The version number displayed is lower than 149.0.7827.155
  2. Check Chrome version via about page
    Open chrome://version in the browser and note the version listed under "Google Chrome"
    Affected if The displayed version is 149.0.7827.154 or earlier
  3. Verify Linux platform
    Confirm the operating system is Linux by running `uname -a` or checking system settings
    Affected if The system is Linux and Chrome version is below 149.0.7827.155

You are affected if you are running Google Chrome on Linux with a version lower than 149.0.7827.155

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 149.0.7827.155 or later
Fixed in 149.0.7827.155
Interim mitigation

Update Google Chrome for Linux to version 149.0.7827.155 or later to address the use-after-free in the File Input component.

Recommended fix High confidence

149.0.7827.155 or later

  1. 1. Open Google Chrome browser on the affected Linux system
  2. 2. Navigate to chrome://settings/help or click Menu > Settings > About Chrome
  3. 3. Chrome will automatically check for available updates
  4. 4. If version 149.0.7827.155 or later is available, click 'Update Google Chrome'
  5. 5. Wait for the download and installation to complete
  6. 6. Restart the browser to apply the update

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Chrome Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-12441 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data