CVE-2026-94181

Address Bar Spoof Risk; Missing Fullscreen Notification via Select Element

HIGH
7.4
CVSS Score
Published: September 23, 2026 at 06:55 PM UTC
Updated: September 24, 2026 at 07:47 PM UTC
1 product affected across 1 vendorArc

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Severity
HIGH7.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

An address bar spoofing issue in affected versions of Arc could allow an attacker to spoof the browser address bar via a <select> element that triggers requestFullscreen without displaying the fullscreen notification.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.159.0
Affected range stops below 1.159.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHBCNY
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-451

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