By Web Desk 
Critical Threat to Windows Users
The Pakistan Computer Emergency Response Team (PKCERT) has alerted users to a serious security vulnerability in Microsoft Windows operating systems. The vulnerability, identified as a zero-day exploit, allows attackers to steal user credentials simply by having the victim preview a malicious file in Windows Explorer. This alarming issue affects multiple Windows versions, from 7 to 11.
What Makes This Vulnerability Dangerous?
Unlike typical cyberattacks requiring users to open malicious files, this exploit operates stealthily. Merely hovering over the file is enough to trigger the attack, making it highly effective against unsuspecting users. Attackers can gain access to NTLM hashes, enabling them to compromise networks and sensitive data.
Who Is at Risk?
All users who haven’t updated their Windows systems with the latest security patches are vulnerable. This includes individual users, businesses, and government entities. Such vulnerabilities can lead to significant data breaches, financial losses, and reputational damage.
PKCERT’s Recommendations
To mitigate this risk, PKCERT has issued the following advisory:
- Update Your System: Install the latest security patches from Microsoft immediately.
- Disable Previews: Turn off the preview pane in Windows Explorer.
- Use Antivirus Software: Ensure your system has up-to-date antivirus protection to detect and block threats.
The advisory underscores the importance of cyber hygiene, urging users to stay vigilant and proactive in securing their systems against emerging threats.