ClickFix Smuggles Payloads Through Browser Cache to Bypass Windows Run Limits

ClickFix Smuggles Payloads Through Browser Cache to Bypass Windows Run Limits Ravie LakshmananOct 06, 2026Social Engineering / Malware A new type of ClickFix attack is using compromised websites to trick users into executing a malicious payload cached in a web browser's cache. "Instead of downloading and executing remote payloads like the typical attack pattern, in this attack, the websites pre-fetch a script payload into the browser cache disguised as a PNG file," the Microsoft Threat Intelligence team said in a post on X. Thus, when the victim is prompted to paste and execute a malicious command — as is the case with ClickFix attacks – it executes the cached website content that's already on the device. What's notable about this…