CVE-2003-0007

CVE-2003-0007 is a medium-severity vulnerability in Microsoft Outlook with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Microsoft Outlook 2002 does not properly handle requests to encrypt email messages with V1 Exchange Server Security certificates, which causes Outlook to send the email in plaintext, aka "Flaw in how Outlook 2002 handles V1 Exchange Server Security Certificates could lead to Information Disclosure."

Frequently asked questions

What is CVE-2003-0007?
Microsoft Outlook 2002 does not properly handle requests to encrypt email messages with V1 Exchange Server Security certificates, which causes Outlook to send the email in plaintext, aka "Flaw in how Outlook 2002 handles V1 Exchange Server Security Certificates could lead to Information Disclosure."
How severe is CVE-2003-0007?
CVE-2003-0007 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0007 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0007?
CVE-2003-0007 primarily affects Microsoft Outlook. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0007?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0007 published?
CVE-2003-0007 was published on 2003-02-07 and last updated on 2026-06-16.

References

Affected products (3)

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