EUVD-2026-41574
GHSA-3xgf-55j3-v68w
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Network-delivered spoofing requires victim to load attacker content (UI:R, PR:N); partial confidentiality and integrity loss from deception; no availability or scope change.
Primary rating from Vendor (microsoft).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Lifecycle Timeline
3DescriptionNVD
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
AnalysisAI
UI misrepresentation in Microsoft Edge (Chromium-based) prior to version 150.0.4078.48 enables network-based spoofing attacks against users who interact with attacker-controlled web content. The browser fails to accurately present critical security information - such as origin indicators, security status, or authentication prompts - allowing an unauthenticated remote attacker to deceive victims into believing they are interacting with a trusted source. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim using Microsoft Edge (Chromium-based) below version 150.0.4078.48 to actively navigate to or load content from an attacker-controlled web resource (UI:R in the CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.4 (Medium) reflects a network-accessible, low-complexity attack requiring no privileges but mandating user interaction (UI:R), with limited confidentiality and integrity impact and no availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a malicious or compromised webpage that triggers the UI misrepresentation flaw, causing Edge to display falsified security indicators - such as a spoofed origin, fabricated padlock status, or a fake authentication prompt - while the user believes they are on a legitimate site. The victim, misled by the browser's UI, submits credentials or grants permissions to the attacker-controlled page. … |
| Remediation | The primary fix is to update Microsoft Edge (Chromium-based) to version 150.0.4078.48 or later, as confirmed by the Microsoft Security Response Center at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45488. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique Authentication Bypass
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External POC / Exploit Code
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