CVE-2026-17730: channel information leakage in Autofill

Published Aug 26, 2021
·
Updated

Chromium: CVE-2026-17730 Side-channel information leakage in Autofill

Other sources

Side-channel information leakage in Autofill in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

— 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 Google Chrome<151.0.7922.72
Google Chrome<151.0.7922.71
151.0.7922.71
Google Chrome<151.0.7922.72
Microsoft Edge (Chromium-based)<151.0.4129.59
151.0.4129.59
Microsoft Edge<151.0.4129.59

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 151.0.7922.71
  2. Upgrade

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

    Fixed in 151.0.4129.59
  3. Upgrade

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

    Fixed in 151.0.7922.72

Event History

Aug 26, 2021
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 30, 2026
CVE Published
via MITRE·12:19 AM
Data Sourced
via MITRE·12:19 AM
DescriptionWeakness
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeaknessAffected Software
Jul 31, 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.

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Frequently Asked Questions

1

What is the severity of CVE-2026-17730?

CVE-2026-17730 has a medium severity rating of 4.3 according to the CVSS 3.1 scoring.

2

How do I fix CVE-2026-17730?

To fix CVE-2026-17730, users should update to Google Chrome version 151.0.7922.72 or later.

3

What kind of attack can exploit CVE-2026-17730?

CVE-2026-17730 can be exploited through side-channel information leakage via specific UI gestures on a crafted HTML page.

4

Which software is affected by CVE-2026-17730?

CVE-2026-17730 affects Google Chrome prior to version 151.0.7922.72 and Microsoft Edge (Chromium-based) versions before the applicable update.

5

When was CVE-2026-17730 published?

CVE-2026-17730 was published on August 26, 2021.

Company

Resources

Contact

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