CVE-2026-106203: Incomplete cleanup in Autofill

Published Aug 27, 2026
·
Updated

Chromium CVE-2026-106203: Incomplete cleanup

Other sources

Incomplete cleanup in Autofill in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: High)

— 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

Anonymous

Affected Software

4 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
All of the following
Google Chrome<155.0.8059.39
Apple iPhone OS
Microsoft Edge (Chromium-based)<155.0.4283.45
155.0.4283.45

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 155.0.8059.39
  2. Upgrade

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

    Fixed in 155.0.4283.45
  3. Upgrade

    Upgrade Google Chrome for iOS to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Aug 27, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 6, 2026
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software
Oct 16, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is exposed to this issue?

Users of Google Chrome on iOS running a version earlier than 155.0.8059.39 may be exposed if they can be persuaded to visit a crafted HTML page.

2

What does an attacker need to exploit it?

The attacker can be remote and does not need privileges, but exploitation requires user interaction through social engineering to get the target to load a crafted HTML page.

3

What is the impact of successful exploitation?

Successful exploitation can allow an attacker to obtain sensitive information. The assigned CVSS vector also rates impacts to confidentiality, integrity, and availability as high.

4

How can I determine whether an installation is affected?

Check the installed Google Chrome version on iOS. Versions prior to 155.0.8059.39 are affected according to the available information.

Company

Resources

Contact

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