CVE-2026-106203: Incomplete cleanup in Google Chrome
Description
A high-severity vulnerability (CVE-2026-106203) in Google Chrome on iOS prior to version 155.0.8059.39 involves incomplete cleanup in the Autofill feature. This flaw allows a remote attacker, using social engineering and a crafted HTML page, to obtain sensitive information. The vulnerability has a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106203 is a vulnerability in Google Chrome on iOS where incomplete cleanup in the Autofill functionality allows a remote attacker to extract sensitive information by tricking a user into visiting a maliciously crafted HTML page. The vulnerability affects versions prior to 155.0.8059.39. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to unauthorized disclosure of sensitive user information through the Autofill feature. This compromises user privacy and may facilitate further attacks leveraging stolen data. The vulnerability requires user interaction and social engineering but does not require privileges or prior access.
Mitigation Recommendations
A fix is available in Google Chrome version 155.0.8059.39. Users and administrators should update affected Chrome installations on iOS to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:31:16.403Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546372cdf04f656d49d05
Added to database: 10/06/2026, 19:04:23 UTC
Last enriched: 10/06/2026, 22:33:30 UTC
Last updated: 10/07/2026, 03:28:23 UTC
Views: 5
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