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
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)
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Meta Information
Published
2026-04-28
Last Modified
2026-04-30
Generated
2026-06-16
AI Q&A
2026-04-29
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7351
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 147.0.7727.138 (exc)
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Exploitability
CWE
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KEV
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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.
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Executive Summary

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.

Impact Analysis

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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