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Decrypted and Vulnerable: Why Microsoft Edge Keeps All Your Passwords in Plaintext Memory

ID: 13be96d6-90ae-5d15-bfeb-01130bbb69ff

STIX ID: report--13be96d6-90ae-5d15-bfeb-01130bbb69ff

Feed Name: securityonline.info

Threat Score
60/100

Date Published: 2026-05-06

Date Updated: 2026-05-06

Author: Ddos

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**Executive Summary:** Security researcher Tom found that Microsoft Edge loads all stored account credentials into plaintext in system memory at initialization and retains them in the parent process, which allows an actor with elevated (administrative) privileges on Windows 10/11 shared workstations to exfiltrate saved passwords; Microsoft has treated this as a deliberate design choice and declined a bug bounty while the researcher published a proof‑of‑concept and recommends users sign out of shared machines.

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