CVE-2026-17993

Analyzed Analyzed - Analysis Complete

Race Condition in Google Chrome Updater on Windows

Publication date: 2026-07-30

Last updated on: 2026-07-31

Assigner: Chrome

Description

Race in Updater in Google Chrome on Windows prior to 151.0.7922.72 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-07-31

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17993

EUVD

EUVD-2026-50919

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (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

Executive Summary

This vulnerability is a race condition in the Updater component of Google Chrome on Windows. It allows a local attacker to escalate privileges by exploiting a malicious file during the update process. The Chromium security team rated its severity as Low.

Detection Guidance

This vulnerability is specific to Google Chrome on Windows prior to version 151.0.7922.72. Detection involves checking the installed Chrome version. Use the command 'chrome.exe --version' in Command Prompt to verify the version. If the version is below 151.0.7922.72, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker with local access to gain higher privileges on your system. This might enable them to install malicious software, access sensitive data, or perform other unauthorized actions.

Compliance Impact

This vulnerability involves a race condition in Google Chrome's Updater on Windows, enabling local attackers to escalate privileges via malicious files. While it does not directly impact data handling or storage, privilege escalation could lead to unauthorized system access, potentially compromising sensitive data governed by GDPR or HIPAA. However, the specific compliance impact depends on the system's configuration and data exposure.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the race condition in the Updater component.

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