Are you using WhatsApp? If yes, then you should be particularly cautious at this moment since there's currently a security flaw in the Windows edition—used daily by numerous individuals—that could potentially expose your computer to malware. This issue has been identified within WhatsApp. issued a security alert about the vulnerability, which is listed as CVE-2025-30401 .
By exploiting this vulnerability, malicious actors can use attachments in MIME format (Multipurpose Internet Mail Extensions)—a format the desktop version uses by default—to inject malware on PCs. The theft of sensitive data is also possible with this method.
The likelihood of an assault exploiting this vulnerability is quite significant; however, an impacted user needs to engage with the MIME attachment before it can be effectively used against them. Despite this, exercise caution whenever you receive WhatsApp messages from unfamiliar individuals, particularly if these messages include unexpected attachments.
Harmless-looking image files frequently conceal dangerous attachments, and a single inadvertent click could activate the malware.
Update your WhatsApp now
If you already have WhatsApp for Windows installed on your computer, you should upgrade to version 2.2450.6. via the Microsoft Store ) at your earliest convenience. This update addresses the security vulnerability and prevents it from being exploited by attackers moving forward.
The standard WhatsApp application for Android and iOS devices is not impacted by this problem since the MIME format is utilized solely for transmitting content in the desktop version of WhatsApp.