How severe is CVE-2000-0567?

CVE-2000-0567 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0567?

CVE-2000-0567 primarily affects Microsoft Outlook. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0567?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-0567 published?

CVE-2000-0567 was published on 2000-07-18 and last updated on 2026-06-16.

CVE-2000-0567

CVE-2000-0567 is a medium-severity vulnerability in Microsoft Outlook with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 32% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Outlook
Published: 2000-07-18
Last modified: 2026-06-16

Description

Buffer overflow in Microsoft Outlook and Outlook Express allows remote attackers to execute arbitrary commands via a long Date field in an email header, aka the "Malformed E-mail Header" vulnerability.

Frequently asked questions

What is CVE-2000-0567?: Buffer overflow in Microsoft Outlook and Outlook Express allows remote attackers to execute arbitrary commands via a long Date field in an email header, aka the "Malformed E-mail Header" vulnerability.
How severe is CVE-2000-0567?: CVE-2000-0567 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0567?: CVE-2000-0567 primarily affects Microsoft Outlook. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0567?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0567 published?: CVE-2000-0567 was published on 2000-07-18 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:microsoft:outlook:97:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook:98:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook_express:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook_express:4.01:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook_express:5.0:*:*:*:*:*:*:*

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