CVE-2026-106420: Incorrect calculation in Google Chrome
Description
CVE-2026-106420 is a medium severity vulnerability in Google Chrome on Windows versions prior to 155.0.8059.39. It involves an incorrect calculation in an API that allows a remote attacker, using social engineering, to spoof UI elements through a crafted Chrome extension. This could mislead users by presenting deceptive interface elements.
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome on Windows is caused by an incorrect calculation in an API, which can be exploited by a remote attacker via a specially crafted Chrome extension. The flaw allows the attacker to spoof UI elements, potentially deceiving users. The issue affects Chrome versions before 155.0.8059.39. The vulnerability has been assigned medium severity by Chromium security. No CVSS score is available. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
An attacker who successfully exploits this vulnerability can spoof UI elements in Chrome, potentially tricking users into performing unintended actions or disclosing sensitive information. The impact is limited to UI spoofing and relies on social engineering to convince users to install or interact with a malicious extension.
Mitigation Recommendations
A fix is available in Google Chrome version 155.0.8059.39 and later. Users and administrators should update Chrome to this version or newer 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
- 2026-10-06T16:38:43.564Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546622cdf04f656d4a14b
Added to database: 10/06/2026, 19:05:06 UTC
Last enriched: 10/06/2026, 19:19:05 UTC
Last updated: 10/06/2026, 19:19:23 UTC
Views: 6
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