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CVE-2026-0391 is a spoofing vulnerability in Microsoft Edge (Chromium-based) for Android. The issue is described as a user interface misrepresentation of critical information, where the browser can present security-relevant or otherwise critical UI information in a misleading way. Microsoft characterizes the flaw as allowing an unauthorized attacker to perform spoofing over a network. Based on the available information, the vulnerability affects the Android version of Edge and does not include public technical details about a specific vulnerable function or code path. The core weakness is the incorrect or misleading presentation of trusted UI elements or critical information to the user, which can enable attacker-controlled content or network-delivered interactions to impersonate legitimate states, origins, or security indicators.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A spoofing vulnerability affecting Microsoft Edge (Chromium-based) for Android.
Spoofing vulnerability in Microsoft Edge for Android allowing an unauthorized attacker to spoof over a network due to user interface misrepresentation of critical information (as described).
A spoofing vulnerability in Microsoft Edge for Android caused by user interface misrepresentation of critical information.
A vulnerability affecting Microsoft Edge for Android with an 'Exploitation Less Likely' rating per the content.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.