CVE-2025-5066Network attack vector

UI spoofing via undisclosed Messages implementation

Published May 27, 2025 · Updated May 28, 2025

UI spoofing in Messages in Google Chrome on Android before 137.0.7151.55 allows remote attackers to misrepresent critical information. Google has not disclosed which Messages code path mishandles crafted HTML or how the page falsifies trusted interface content. Exploitation requires a victim to open a crafted HTML page and perform specific UI gestures; the reported impact is UI spoofing only.

CVSS severity6.5
Medium
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

UI spoofing in Messages in Google Chrome on Android before 137.0.7151.55 allows remote attackers to misrepresent critical information. Google has not disclosed which Messages code path mishandles crafted HTML or how the page falsifies trusted interface content. Exploitation requires a victim to open a crafted HTML page and perform specific UI gestures; the reported impact is UI spoofing only.

The record

CVE
CVE-2025-5066
Published
May 27, 2025
Updated
May 28, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-451, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2025CVE publishedPublication date reported by the CVE source.
  2. May 28, 2025Record 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=137.0.7151.55 <137.0.7151.55

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=137.0.7151.55 <137.0.7151.55

Published CVSS scores

6.5CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-451User Interface (UI) Misrepresentation of Critical Information
T1204User Execution

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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