CVE-2026-7351
Received
Received - Intake
Race Condition in Chrome MHTML Enables High-Severity Data Leak
Publication date: 2026-04-28
Last updated on: 2026-04-30
Assigner: Chrome
Description
Description
Race in MHTML in Google Chrome prior to 147.0.7727.138 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: High)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 147.0.7727.138 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition in the MHTML component of Google Chrome versions prior to 147.0.7727.138. It allows an attacker who convinces a user to install a malicious Chrome extension to leak data from other origins by exploiting this race condition.
How can this vulnerability impact me? :
If exploited, this vulnerability can lead to unauthorized leakage of cross-origin data. This means sensitive information from other websites or web applications that the user accesses could be exposed to the attacker through the malicious extension.
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