Unpatched Zero-Days in Microsoft Edge and IE Browsers Disclosed Publicly
Mar 30, 2019
Exclusive — A security researcher today publicly disclosed details and proof-of-concept exploits for two 'unpatched' zero-day vulnerabilities in Microsoft's web browsers after the company allegedly failed to respond to his responsible private disclosure. Both unpatched vulnerabilities—one of which affects the latest version of Microsoft Internet Explorer and another affects the latest Edge Browser —allow a remote attacker to bypass same-origin policy on victim's web browser. Same Origin Policy (SOP) is a security feature implemented in modern browsers that restricts a web-page or a script loaded from one origin to interact with a resource from another origin, preventing unrelated sites from interfering with each other. In other words, if you visit a website on your web browser, it can only request data from the same origin [domain] the site was loaded from, preventing it from making any unauthorized request on your behalf in order to steal your data, from othe...
