Outlook 2000 Denial of Service

MEDIUM (5.0) No Patch (9194 days)

Threat Intelligence

Low Risk
EPSS Score: 11.68% chance of exploitation (percentile: 93%)
🔍 Detection Tools: None available in major open-source tools
⚔️ Exploit Availability: No public exploits found

How we test →

What is it?

Microsoft Outlook 2000 is an email client used by millions of users worldwide. The vulnerability allows attackers to cause a denial of service by sending malformed vCard files that can lead to a crash in the application.

Am I affected?

You're affected if you use Microsoft Outlook 2000 version 8.0. This specific version is known to be vulnerable, so check with your IT department or email provider to confirm your version.

Affected Products

Microsoft / Outlook 2000

How to fix

Upgrade to a newer version of Outlook: Microsoft recommends upgrading to Outlook 2003 or later.
- Immediate mitigations:
- Do not open suspicious emails from unknown senders.
- Avoid using third-party email clients that may be vulnerable.