CVE-2026-5891: Insufficient policy enforcement in Google Chrome
Insufficient policy enforcement in browser UI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability arises from insufficient policy enforcement in the browser UI of Google Chrome versions before 147.0.7727.55. A remote attacker who has already compromised the renderer process can leverage this flaw to spoof the user interface via a crafted HTML page. The issue is tracked as CWE-451 and has a CVSS 3.1 base score of 4.3, indicating medium severity. The vulnerability affects the Chrome desktop browser and does not involve direct compromise of data confidentiality or integrity.
Potential Impact
The impact is limited to UI spoofing, which could mislead users by displaying deceptive interface elements. There is no direct impact on data confidentiality or integrity. The vulnerability may cause limited availability issues but does not allow privilege escalation or remote code execution. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 147.0.7727.55. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked confirms the availability of this update. No additional mitigation steps are indicated by the vendor.
CVE-2026-5891: Insufficient policy enforcement in Google Chrome
Description
Insufficient policy enforcement in browser UI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient policy enforcement in the browser UI of Google Chrome versions before 147.0.7727.55. A remote attacker who has already compromised the renderer process can leverage this flaw to spoof the user interface via a crafted HTML page. The issue is tracked as CWE-451 and has a CVSS 3.1 base score of 4.3, indicating medium severity. The vulnerability affects the Chrome desktop browser and does not involve direct compromise of data confidentiality or integrity.
Potential Impact
The impact is limited to UI spoofing, which could mislead users by displaying deceptive interface elements. There is no direct impact on data confidentiality or integrity. The vulnerability may cause limited availability issues but does not allow privilege escalation or remote code execution. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 147.0.7727.55. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked confirms the availability of this update. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:40.426Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca3e1cc7ad14dab3cd56
Added to database: 4/8/2026, 9:35:58 PM
Last enriched: 4/16/2026, 11:35:09 AM
Last updated: 5/23/2026, 5:48:14 PM
Views: 52
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