CVE-2007-2227

CVE-2007-2227 is a medium-severity vulnerability in Microsoft Outlook Express with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

The MHTML protocol handler in Microsoft Outlook Express 6 and Windows Mail in Windows Vista does not properly handle Content-Disposition "notifications," which allows remote attackers to obtain sensitive information from other Internet Explorer domains, aka "Content Disposition Parsing Cross Domain Information Disclosure Vulnerability."

Frequently asked questions

What is CVE-2007-2227?
The MHTML protocol handler in Microsoft Outlook Express 6 and Windows Mail in Windows Vista does not properly handle Content-Disposition "notifications," which allows remote attackers to obtain sensitive information from other Internet Explorer domains, aka "Content Disposition Parsing Cross Domain Information Disclosure Vulnerability."
How severe is CVE-2007-2227?
CVE-2007-2227 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-2227 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2227?
CVE-2007-2227 primarily affects Microsoft Outlook Express. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2227?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-2227 published?
CVE-2007-2227 was published on 2007-06-12 and last updated on 2026-06-16.

References

Affected products (2)

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