CVE-2026-106303: Observable discrepancy in Google Chrome
Description
CVE-2026-106303 is a medium severity vulnerability in Google Chrome's Autofill AI prior to version 155.0.8059.39. It allows a remote attacker who has compromised the renderer process and uses social engineering to obtain sensitive information via a crafted HTML page. The vulnerability requires user interaction and high attack complexity. A fix is available as indicated by the vendor advisory.
CVSS v3.1
Score 5.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an observable discrepancy in the Autofill AI feature of Google Chrome before version 155.0.8059.39. An attacker who has already compromised the renderer process and can trick the user through social engineering can exploit this flaw to extract sensitive information by presenting a specially crafted HTML page. The CVSS score is 5.3 (medium severity), with network attack vector, high attack complexity, no privileges required, user interaction required, and impact on confidentiality only.
Potential Impact
An attacker who has compromised the renderer process and successfully social engineers the user can obtain sensitive information through a crafted HTML page exploiting the Autofill AI discrepancy. There is no impact on integrity or availability. The vulnerability requires user interaction and has a high attack complexity, limiting its ease of exploitation.
Mitigation Recommendations
A fix is available as per the Google Chrome stable channel update advisory linked by the vendor. Users and administrators should update Google Chrome to version 155.0.8059.39 or later to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:34:41.609Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac5464b2cdf04f656d49dc3
Added to database: 10/06/2026, 19:04:43 UTC
Last enriched: 10/06/2026, 21:34:17 UTC
Last updated: 10/06/2026, 21:34:17 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.