CVE-2026-106266: Confused deputy in Google Chrome
Description
A confused deputy vulnerability in the Contextual Tasks feature of Google Chrome prior to version 155.0.8059.39 allows a remote attacker who has compromised the renderer process to bypass the web origin policy and access privileged pages via a crafted HTML page. This vulnerability has been assigned a medium severity by Chromium security. A fix is available in Chrome version 155.0.8059.39.
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106266 is a confused deputy vulnerability affecting the Contextual Tasks component in Google Chrome versions before 155.0.8059.39. An attacker who has already compromised the renderer process can exploit this flaw by crafting a malicious HTML page to bypass the web origin policy, thereby gaining unauthorized access to privileged pages. This issue was addressed by Google in the stable channel update 155.0.8059.39.
Potential Impact
Successful exploitation allows an attacker with control over the renderer process to bypass the web origin policy and access privileged pages, potentially leading to unauthorized actions or data exposure within the browser context. The vulnerability is rated medium severity by Chromium security.
Mitigation Recommendations
Users should update Google Chrome to version 155.0.8059.39 or later, where this vulnerability has been fixed. No additional mitigation is required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:33:57.355Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546432cdf04f656d49d84
Added to database: 10/06/2026, 19:04:35 UTC
Last enriched: 10/06/2026, 22:03:58 UTC
Last updated: 10/06/2026, 22:03:58 UTC
Views: 3
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