CVE-2026-12348Network attack vector

Phishing via window.open address-bar race

Published Jun 16, 2026 · Updated Jun 16, 2026

Address bar spoofing in Arc Search for Android allows remote attackers to show a trusted domain over attacker-controlled content. The published record identifies a window.open race condition but does not disclose which navigation or UI update wins the race. Exploitation requires user interaction and enables phishing by presenting malicious content under a trusted address-bar identity.

CVSS severity7.4
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Address bar spoofing in Arc Search for Android allows remote attackers to show a trusted domain over attacker-controlled content. The published record identifies a window.open race condition but does not disclose which navigation or UI update wins the race. Exploitation requires user interaction and enables phishing by presenting malicious content under a trusted address-bar identity.

The record

CVE
CVE-2026-12348
Published
Jun 16, 2026
Updated
Jun 16, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-1021, T1660
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.4The Browser Company of New YorkCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/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-1021Improper Restriction of Rendered UI Layers or Frames
T1660Phishing

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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