CVE-2026-18018

Local UI spoofing via malicious file

Published Jul 30, 2026 · Updated Jul 30, 2026

UI misrepresentation in Google Chrome Updater before 151.0.7922.72 on Windows allows local users to spoof content via a malicious file. The linked Chromium issue is access-restricted, so Google has not publicly identified the faulty Updater operation performed on the file. Exploitation requires local placement or handling of the malicious file and is limited to UI spoofing in the published Chrome description.

CVSS severity4.0
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

UI misrepresentation in Google Chrome Updater before 151.0.7922.72 on Windows allows local users to spoof content via a malicious file. The linked Chromium issue is access-restricted, so Google has not publicly identified the faulty Updater operation performed on the file. Exploitation requires local placement or handling of the malicious file and is limited to UI spoofing in the published Chrome description.

The record

CVE
CVE-2026-18018
Published
Jul 30, 2026
Updated
Jul 30, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
CWE-451, CAPEC-164, CAPEC-98, CAPEC-154, CAPEC-163, CAPEC-173, T1036
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 30, 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.

  1. Affected versionversion=151.0.7922.72 <151.0.7922.72

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Go standard library · Google Chromeversion=151.0.7922.72 <151.0.7922.72

Published CVSS scores

4.0CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-451User Interface (UI) Misrepresentation of Critical Information
CAPEC-164Mobile Phishing
CAPEC-98Phishing
CAPEC-154Resource Location Spoofing
CAPEC-163Spear Phishing
CAPEC-173Action Spoofing
T1036Masquerading

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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