ClickFix Smuggles Payloads Through Browser Cache to Bypass Windows Run Limits

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.

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https://thehackernews.com/2026/10/clickfix-smuggles-payloads-through.html

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https://thehackernews.com/2026/10/clickfix-smuggles-payloads-through.html

id: 3431
uid: Xr4iU
insdate: 2026-10-06 06:10:08
title: ClickFix Smuggles Payloads Through Browser Cache to Bypass Windows Run Limits
additional: 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.
category: Cybersecurity
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guid: https://thehackernews.com/2026/10/clickfix-smuggles-payloads-through.html
source_url: https://thehackernews.com/2026/10/clickfix-smuggles-payloads-through.html
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