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Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a BadUSB (likely Rubber Ducky) script designed to exploit privilege escalation vulnerabilities in Windows Disk Cleanup (CVE-2025-21420 and CVE-2025-21401). The main file, 'edge-maradeur.txt', is a DuckyScript that automates keyboard input to open PowerShell, create a scheduled task to run PowerShell as SYSTEM, and then copy the Microsoft Edge login database. The script then uploads the copied database to a remote FTP server using hardcoded credentials and finally deletes the local copy. The attack requires physical or logical access to the target machine and leverages local privilege escalation to access protected browser data. The repository is structured with a README describing the exploit and a single script file containing the attack logic. No detection or fake code is present; the exploit is operational and demonstrates real-world data exfiltration techniques.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
No public activity tracked yet. Mallory keeps watching.
No public activity observed for this vulnerability.
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.