CVE-2026-18019: Side-channel information leakage in Google Chrome
CVE-2026-18019 is a side-channel information leakage vulnerability in the Media component of Google Chrome prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data by crafting a malicious HTML page. The vulnerability has a CVSS score of 4.3, indicating medium severity. There is no explicit vendor advisory stating the availability of a patch, but the affected versions are prior to 151.0.7922.72, implying that updating to this version or later mitigates the issue.
AI Analysis
Technical Summary
This vulnerability involves side-channel information leakage in the Media component of Google Chrome before version 151.0.7922.72. An attacker can exploit this flaw by delivering a specially crafted HTML page that causes leakage of cross-origin data, potentially exposing sensitive information from other origins. The CVSS vector indicates the attack requires network access, no privileges, and user interaction, with limited confidentiality impact and no integrity or availability impact.
Potential Impact
The vulnerability allows a remote attacker to leak cross-origin data, which could lead to unauthorized disclosure of information from other web origins. The impact is limited to confidentiality with no effect on integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory linked confirms this version as the fixed release. No additional mitigation steps are indicated.
CVE-2026-18019: Side-channel information leakage in Google Chrome
Description
CVE-2026-18019 is a side-channel information leakage vulnerability in the Media component of Google Chrome prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data by crafting a malicious HTML page. The vulnerability has a CVSS score of 4.3, indicating medium severity. There is no explicit vendor advisory stating the availability of a patch, but the affected versions are prior to 151.0.7922.72, implying that updating to this version or later mitigates the issue.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves side-channel information leakage in the Media component of Google Chrome before version 151.0.7922.72. An attacker can exploit this flaw by delivering a specially crafted HTML page that causes leakage of cross-origin data, potentially exposing sensitive information from other origins. The CVSS vector indicates the attack requires network access, no privileges, and user interaction, with limited confidentiality impact and no integrity or availability impact.
Potential Impact
The vulnerability allows a remote attacker to leak cross-origin data, which could lead to unauthorized disclosure of information from other web origins. The impact is limited to confidentiality with no effect on integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory linked confirms this version as the fixed release. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:19.509Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0b39c2644c7f849c140
Added to database: 07/30/2026, 00:54:11 UTC
Last enriched: 08/06/2026, 17:52:41 UTC
Last updated: 09/11/2026, 22:08:24 UTC
Views: 106
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