CVE-2026-11288: Policy bypass in Google Chrome
CVE-2026-11288 is a vulnerability in Google Chrome prior to version 149.0.7827.53 involving insufficient policy enforcement in CSS. This flaw allows a remote attacker to leak cross-origin data by crafting a malicious HTML page. The vulnerability has a CVSS score of 6.5, indicating medium severity, with confidentiality impact but no integrity or availability impact. There are no known exploits in the wild. The vendor advisory linked does not explicitly confirm a patch or remediation status.
AI Analysis
Technical Summary
This vulnerability arises from insufficient enforcement of CSS policies in Google Chrome versions before 149.0.7827.53. An attacker can exploit this weakness by delivering a specially crafted HTML page that causes cross-origin data leakage. The issue is classified under CWE-693 (Protection Mechanism Failure). The CVSS vector indicates the attack requires no privileges but user interaction, and it impacts confidentiality with a medium severity rating. The vendor advisory is available but does not explicitly state patch availability or remediation details.
Potential Impact
Successful exploitation results in unauthorized disclosure of cross-origin data, compromising confidentiality. There is no impact on integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until official fixes are confirmed, users should exercise caution with untrusted content and consider updating Chrome to the latest available version once updates are released.
CVE-2026-11288: Policy bypass in Google Chrome
Description
CVE-2026-11288 is a vulnerability in Google Chrome prior to version 149.0.7827.53 involving insufficient policy enforcement in CSS. This flaw allows a remote attacker to leak cross-origin data by crafting a malicious HTML page. The vulnerability has a CVSS score of 6.5, indicating medium severity, with confidentiality impact but no integrity or availability impact. There are no known exploits in the wild. The vendor advisory linked does not explicitly confirm a patch or remediation status.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient enforcement of CSS policies in Google Chrome versions before 149.0.7827.53. An attacker can exploit this weakness by delivering a specially crafted HTML page that causes cross-origin data leakage. The issue is classified under CWE-693 (Protection Mechanism Failure). The CVSS vector indicates the attack requires no privileges but user interaction, and it impacts confidentiality with a medium severity rating. The vendor advisory is available but does not explicitly state patch availability or remediation details.
Potential Impact
Successful exploitation results in unauthorized disclosure of cross-origin data, compromising confidentiality. There is no impact on integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until official fixes are confirmed, users should exercise caution with untrusted content and consider updating Chrome to the latest available version once updates are released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:11:16.434Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a220eede29bf47b50de3a57
Added to database: 06/04/2026, 23:49:01 UTC
Last enriched: 06/12/2026, 10:27:12 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 138
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