CVE-2026-13840: Insufficient policy enforcement in Google Chrome
CVE-2026-13840 is a high-severity vulnerability in Google Chrome affecting versions prior to 150.0.7871.47. It involves insufficient policy enforcement in the Canvas API, which could allow a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability was publicly disclosed on June 30, 2026. There is no explicit CVSS score or detailed vendor remediation level provided in the available data.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Canvas implementation allows insufficient enforcement of security policies, enabling a remote attacker to leak data from different origins through a specially crafted HTML page. The issue affects Chrome versions before 150.0.7871.47. The Chromium security team classifies this as a high-severity issue. The vendor advisory linked does not explicitly state the patch or remediation status, but the affected version indicates that the issue is fixed in 150.0.7871.47.
Potential Impact
An attacker can exploit this vulnerability to bypass cross-origin data restrictions, potentially accessing sensitive information from other origins. This compromises the browser's same-origin policy protections related to Canvas, leading to data leakage risks.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 150.0.7871.47 or later, where this vulnerability is addressed. Patch status is not explicitly confirmed in the vendor advisory, but the affected version data indicates the fix is included in 150.0.7871.47. No alternative mitigations or temporary fixes are provided.
CVE-2026-13840: Insufficient policy enforcement in Google Chrome
Description
CVE-2026-13840 is a high-severity vulnerability in Google Chrome affecting versions prior to 150.0.7871.47. It involves insufficient policy enforcement in the Canvas API, which could allow a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability was publicly disclosed on June 30, 2026. There is no explicit CVSS score or detailed vendor remediation level provided in the available data.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Canvas implementation allows insufficient enforcement of security policies, enabling a remote attacker to leak data from different origins through a specially crafted HTML page. The issue affects Chrome versions before 150.0.7871.47. The Chromium security team classifies this as a high-severity issue. The vendor advisory linked does not explicitly state the patch or remediation status, but the affected version indicates that the issue is fixed in 150.0.7871.47.
Potential Impact
An attacker can exploit this vulnerability to bypass cross-origin data restrictions, potentially accessing sensitive information from other origins. This compromises the browser's same-origin policy protections related to Canvas, leading to data leakage risks.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 150.0.7871.47 or later, where this vulnerability is addressed. Patch status is not explicitly confirmed in the vendor advisory, but the affected version data indicates the fix is included in 150.0.7871.47. No alternative mitigations or temporary fixes are provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:03:30.772Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]
Threat ID: 6a444c1627e9c7971985c9f7
Added to database: 06/30/2026, 23:07:02 UTC
Last enriched: 07/01/2026, 00:21:28 UTC
Last updated: 07/01/2026, 03:23:40 UTC
Views: 4
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