Local privilege escalation via malicious file
Published Jun 11, 2026 · Updated Jun 11, 2026
Privilege escalation in Google Chrome before 149.0.7827.115 on Windows allows local users to gain OS-level privileges via a malicious file. The flaw resides in Chrome's Mojo IPC component, but Google has not disclosed the incorrect operation performed on the file or the affected code path. Exploitation requires user interaction with the file and can cross the browser's privilege boundary to obtain operating-system privileges.
Summary
What happened
Privilege escalation in Google Chrome before 149.0.7827.115 on Windows allows local users to gain OS-level privileges via a malicious file. The flaw resides in Chrome's Mojo IPC component, but Google has not disclosed the incorrect operation performed on the file or the affected code path. Exploitation requires user interaction with the file and can cross the browser's privilege boundary to obtain operating-system privileges.
The record
- CVE
- CVE-2026-12018
- Published
- Jun 11, 2026
- Updated
- Jun 11, 2026
- Vendor
- Go standard library
- Product
- Google Chrome
- Classifications
- CWE-269, T1068
- Attack vector
- local
- Privileges
- Unavailable
Timeline
How it unfolded
- Jun 11, 2026CVE publishedPublication date reported by the CVE source.
- Jun 11, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=149.0.7827.115 <149.0.7827.115
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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