CVE-2026-18019: Side-channel information leakage in Google Chrome
Side-channel information leakage in Media in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
AI Analysis
Technical Summary
CVE-2026-18019 is a side-channel information leakage vulnerability in the Media subsystem of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data across origins via a specially crafted HTML page. The vulnerability is related to CWE-1300 (Information Leak Through Side Channel). No CVSS score is provided, and no exploits have been observed in the wild. The vulnerability affects local Chrome installations, not a cloud service.
Potential Impact
An attacker can remotely leak cross-origin data by exploiting this side-channel vulnerability in the Media component of affected Chrome versions. This could potentially expose sensitive information from other origins within the browser context. The Chromium security team rates this issue as low severity, indicating limited impact or difficulty in exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72 and later. Users should update their Chrome browser to this version or newer to remediate the vulnerability. Since this is not a cloud service, remediation depends on end-user patching. No additional mitigation steps are indicated.
CVE-2026-18019: Side-channel information leakage in Google Chrome
Description
Side-channel information leakage in Media in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18019 is a side-channel information leakage vulnerability in the Media subsystem of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data across origins via a specially crafted HTML page. The vulnerability is related to CWE-1300 (Information Leak Through Side Channel). No CVSS score is provided, and no exploits have been observed in the wild. The vulnerability affects local Chrome installations, not a cloud service.
Potential Impact
An attacker can remotely leak cross-origin data by exploiting this side-channel vulnerability in the Media component of affected Chrome versions. This could potentially expose sensitive information from other origins within the browser context. The Chromium security team rates this issue as low severity, indicating limited impact or difficulty in exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72 and later. Users should update their Chrome browser to this version or newer to remediate the vulnerability. Since this is not a cloud service, remediation depends on end-user patching. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-ffj5-xf9v-mmp9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-18019"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae50f9c2644c7f897fea8
Added to database: 07/30/2026, 05:45:51 UTC
Last enriched: 07/30/2026, 05:51:03 UTC
Last updated: 07/31/2026, 02:51:53 UTC
Views: 3
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