How severe is CVE-2005-1052?

CVE-2005-1052 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-1052 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1052?

CVE-2005-1052 primarily affects Microsoft Outlook. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-1052?

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

When was CVE-2005-1052 published?

CVE-2005-1052 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-1052

CVE-2005-1052 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

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Outlook
Published: 2005-05-02
Last modified: 2026-06-16

Description

Microsoft Outlook 2003 and Outlook Web Access (OWA) 2003 do not properly display comma separated addresses in the From field in an e-mail message, which could allow remote attackers to spoof e-mail addresses.

Frequently asked questions

What is CVE-2005-1052?: Microsoft Outlook 2003 and Outlook Web Access (OWA) 2003 do not properly display comma separated addresses in the From field in an e-mail message, which could allow remote attackers to spoof e-mail addresses.
How severe is CVE-2005-1052?: CVE-2005-1052 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-1052 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1052?: CVE-2005-1052 primarily affects Microsoft Outlook. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-1052?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1052 published?: CVE-2005-1052 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:outlook:2003:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook_web_access:2003:*:*:*:*:*:*:*

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