CVE-2026-40416: CWE-451: User Interface (UI) Misrepresentation of Critical Information in Microsoft Microsoft Edge (Chromium-based)
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-451) in Microsoft Edge (Chromium-based) enables an attacker to spoof critical information in the user interface, potentially deceiving users. The issue is exploitable remotely without privileges and requires user interaction. The CVSS 3.1 base score is 4.3, reflecting limited impact on confidentiality and no impact on availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
The vulnerability allows an attacker to spoof UI elements in Microsoft Edge, which can mislead users and potentially cause them to take unintended actions. There is no direct impact on confidentiality or availability, but the integrity of displayed information can be compromised. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40416 to remediate this vulnerability.
CVE-2026-40416: CWE-451: User Interface (UI) Misrepresentation of Critical Information in Microsoft Microsoft Edge (Chromium-based)
Description
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVSS v3.1
Score 4.3medium
Affected software
Microsoft
Microsoft Edge (Chromium-based)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-451) in Microsoft Edge (Chromium-based) enables an attacker to spoof critical information in the user interface, potentially deceiving users. The issue is exploitable remotely without privileges and requires user interaction. The CVSS 3.1 base score is 4.3, reflecting limited impact on confidentiality and no impact on availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
The vulnerability allows an attacker to spoof UI elements in Microsoft Edge, which can mislead users and potentially cause them to take unintended actions. There is no direct impact on confidentiality or availability, but the integrity of displayed information can be compromised. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40416 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-13T00:27:50.798Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40416","vendor":"Microsoft"}]
Threat ID: 6a036557cbff5d861008c9d3
Added to database: 05/12/2026, 17:37:27 UTC
Last enriched: 08/11/2026, 16:49:36 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 83
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