Privilege Escalation in Google Chrome Installer on Windows

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

Description

Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-04

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11103

EUVD

EUVD-2026-34564

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an inappropriate implementation in the Installer component of Google Chrome on Windows versions prior to 149.0.7827.53. It allows a local attacker to escalate their privileges on the operating system by using a malicious file.

Impact Analysis

The vulnerability can allow a local attacker to gain higher privileges on the affected Windows system. This means the attacker could perform actions that normally require elevated permissions, potentially compromising system security and control.

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