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'This Reveals a Broader Security Problem': Experts Warn a Key Microsoft Legacy Tool Is Still Being Abused to Launch Malware Campaigns

Summary by Tech Radar
MSHTA is being used for both simple and advanced threats, deploying loaders and infostealers.

5 Articles

Cybersecurity experts are warning of a growing abuse of an old tool built into Windows that attackers use to bypass protection and install malware. Although it is an outdated technology, criminals are successfully using it to spread everything from password stealers to advanced tools for long-term system compromise.

Attackers abuse the old Windows tool MSHTA for silent cyberattacks. Bitdefender registers a drastic increase in infections. IT security analysts register a drastic increase in cyberattacks since the beginning of the year, which exploit a decade-old component of the Windows operating system. The attackers focus on the MSHTA (Microsoft HTML Application Host) utility. Cybercriminals abuse the legitimate Microsoft digitally signed tool as a so-calle…

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Cyber Security News broke the news on Wednesday, May 20, 2026.
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