CVE-2026-79246: Information leak in DataTransfer

Published Jun 18, 2026
·
Updated

Chromium: CVE-2026-79246 Information leak in DataTransfer

Other sources

Information leak in DataTransfer in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

— 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

5 affected componentsFixes available
Google Chrome<152.0.7977.65
Google Chrome<152.0.7977.64
152.0.7977.64
Google Chrome<152.0.7977.65
Microsoft Edge<152.0.4191.53
Microsoft Edge (Chromium-based)<152.0.4191.53
152.0.4191.53

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 152.0.7977.64
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 152.0.4191.53
  3. Upgrade

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

    Fixed in 152.0.7977.65

Event History

Jun 18, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Aug 25, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
Aug 28, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

An attacker needs to get a user to load a crafted HTML page remotely. The issue is described as an information leak involving DataTransfer.

2

Which Chrome versions are affected?

Google Chrome versions prior to 152.0.7977.65 are affected. Chrome 152.0.7977.65 is the first version identified in the provided data as not affected.

3

How should exposure be reduced if updating is not immediately possible?

Avoid loading untrusted or suspicious HTML pages until Chrome can be updated. The provided data identifies crafted HTML content as the attack vector.

Company

Resources

Contact

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