CVE-2026-42891: CWE-451: User Interface (UI) Misrepresentation of Critical Information in Microsoft Microsoft Edge for Android
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 (CVE-2026-42891) in Microsoft Edge for Android is classified as CWE-451, indicating a user interface misrepresentation of critical information. An attacker can exploit this flaw remotely (network attack vector) without privileges or user interaction to spoof critical UI elements, potentially misleading users. The impact includes high confidentiality impact but low integrity and no availability impact. The vulnerability has been officially fixed by Microsoft as per their advisory.
Potential Impact
The vulnerability allows an attacker to spoof critical UI information, potentially deceiving users and compromising confidentiality. There is no direct impact on system integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update for Microsoft Edge for Android promptly. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42891 for detailed patching instructions.
CVE-2026-42891: CWE-451: User Interface (UI) Misrepresentation of Critical Information in Microsoft Microsoft Edge for Android
Description
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42891) in Microsoft Edge for Android is classified as CWE-451, indicating a user interface misrepresentation of critical information. An attacker can exploit this flaw remotely (network attack vector) without privileges or user interaction to spoof critical UI elements, potentially misleading users. The impact includes high confidentiality impact but low integrity and no availability impact. The vulnerability has been officially fixed by Microsoft as per their advisory.
Potential Impact
The vulnerability allows an attacker to spoof critical UI information, potentially deceiving users and compromising confidentiality. There is no direct impact on system integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update for Microsoft Edge for Android promptly. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42891 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T22:35:54.966Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42891","vendor":"Microsoft"}]
Threat ID: 6a036564cbff5d861008cc96
Added to database: 5/12/2026, 5:37:40 PM
Last enriched: 5/12/2026, 6:07:25 PM
Last updated: 5/13/2026, 4:07:38 AM
Views: 2
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