The Cybersecurity and Infrastructure Security Agency (CISA) has issued a critical security alert urging organizations to patch a Microsoft Outlook vulnerability that is actively being exploited by attackers. The vulnerability, known as Moniker Link, allows hackers to bypass security measures and execute remote code on affected devices.
The Cybersecurity and Infrastructure Security Agency, part of the U.S. Department of Homeland Security, has only just urgently recommended applying a patch to fix a zero-day. Now it has issued another warning, this time for a critical security vulnerability that it says is under active exploitation and that impacts Microsoft Outlook users. With Microsoft already under the attack microscope with analert, this is not the time to be ignoring such warnings. Here’s what you need to know and do.
The critical Microsoft Outlook vulnerability at the heart of this new and urgent CISA attack warning is not, itself, new. In fact, it’s almost exactly a year old, being, also known as Moniker Link, the threat enables an attacker to bypass protected view protections in Office files and open malicious documents in Microsoft Outlook. It’s critical because it can then allow the hackers to remotely execute code, with all the consequences it brings to the device compromise party.
Microsoft, for its part, issued a patch to fix the issue at the time. So, what’s the big deal, and why is the Department of Homeland Security involved now? Quite simply, according to a Feb. 6, the agency now has evidence of active exploitation of this Microsoft Outlook improper input validation vulnerability. In other words, that hackers are attacking.
In other words, if you use Outlook then patch now if you haven’t already. I have approached Microsoft for a statement.Our community is about connecting people through open and thoughtful conversations. We want our readers to share their views and exchange ideas and facts in a safe space.
CYBERSECURITY MICROSOFT OUTLOOK VULNERABILITY PATCHING ACTIVE EXPLOITATION
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