CVE-2026-91739: Missing authorization in Google Chrome
Missing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Transactions Platform allows an attacker with control over the renderer process to spoof user interface elements by crafting malicious HTML content. The flaw is due to missing authorization checks prior to version 153.0.8010.47. The issue was publicly disclosed and addressed by Google in a stable channel update.
Potential Impact
An attacker who has already compromised the renderer process can exploit this vulnerability to spoof UI elements, potentially misleading users. This could facilitate phishing or trick users into performing unintended actions. The vulnerability does not allow initial compromise but escalates the attacker's ability to deceive users within the compromised context.
Mitigation Recommendations
Google has released an official fix in Chrome version 153.0.8010.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation is required beyond applying the official update.
CVE-2026-91739: Missing authorization in Google Chrome
Description
Missing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Transactions Platform allows an attacker with control over the renderer process to spoof user interface elements by crafting malicious HTML content. The flaw is due to missing authorization checks prior to version 153.0.8010.47. The issue was publicly disclosed and addressed by Google in a stable channel update.
Potential Impact
An attacker who has already compromised the renderer process can exploit this vulnerability to spoof UI elements, potentially misleading users. This could facilitate phishing or trick users into performing unintended actions. The vulnerability does not allow initial compromise but escalates the attacker's ability to deceive users within the compromised context.
Mitigation Recommendations
Google has released an official fix in Chrome version 153.0.8010.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation is required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-14T22:52:49.755Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","vendor":"Google"}]
Threat ID: 6aa9aed855bf5e2cf55add2c
Added to database: 09/15/2026, 20:47:20 UTC
Last enriched: 09/15/2026, 21:02:14 UTC
Last updated: 09/16/2026, 04:01:24 UTC
Views: 8
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