CVE-2025-12906Network attack vector

UI spoofing via crafted HTML page

Published Nov 7, 2025 · Updated Nov 7, 2025

Inappropriate implementation in Chrome's Permissions component before 140.0.7339.80 allows remote attackers to spoof UI via crafted HTML. The public advisory identifies only the Permissions component and does not disclose the specific locus or incorrect operation. A user must open the crafted page, after which the attacker can present spoofed browser UI.

CVSS severity5.4
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Inappropriate implementation in Chrome's Permissions component before 140.0.7339.80 allows remote attackers to spoof UI via crafted HTML. The public advisory identifies only the Permissions component and does not disclose the specific locus or incorrect operation. A user must open the crafted page, after which the attacker can present spoofed browser UI.

The record

CVE
CVE-2025-12906
Published
Nov 7, 2025
Updated
Nov 7, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-693, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 7, 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=140.0.7339.80 <140.0.7339.80

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=140.0.7339.80 <140.0.7339.80

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-693Protection Mechanism Failure
T1189Drive-by Compromise

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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