Inappropriate implementation in Mojo in Google Chrome on Windows prior to 149.0.7827.115 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
149.0.7827.115 affected < 149.0.7827.115

Configuration 1 [-]

AND
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html cve-icon cve-icon
https://issues.chromium.org/issues/516808201 cve-icon cve-icon
History

Fri, 12 Jun 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows

Fri, 12 Jun 2026 05:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Mojo in Google Chrome on Windows

Fri, 12 Jun 2026 04:15:00 +0000

Type Values Removed Values Added
Title OS‑Level Privilege Escalation via Improper Mojo Handling in Chrome Windows
Weaknesses CWE-285
CWE-732

Fri, 12 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 11 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
Title OS‑Level Privilege Escalation via Improper Mojo Handling in Chrome Windows
Weaknesses CWE-285
CWE-732

Thu, 11 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 11 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Description Inappropriate implementation in Mojo in Google Chrome on Windows prior to 149.0.7827.115 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-12T03:56:02.179Z

Reserved: 2026-06-11T18:16:05.286Z

Link: CVE-2026-12018

cve-icon Vulnrichment

Updated: 2026-06-12T01:39:12.589Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-11T22:16:54.373

Modified: 2026-06-12T20:51:12.190

Link: CVE-2026-12018

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-12T05:30:14Z

Weaknesses