How severe is CVE-2007-3891?

CVE-2007-3891 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-3891 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-2007-3891?

CVE-2007-3891 primarily affects Microsoft Windows Vista. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3891?

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

When was CVE-2007-3891 published?

CVE-2007-3891 was published on 2007-08-14 and last updated on 2026-06-16.

CVE-2007-3891

CVE-2007-3891 is a medium-severity vulnerability in Microsoft Windows Vista with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Vista
Published: 2007-08-14
Last modified: 2026-06-16

Description

Unspecified vulnerability in Windows Vista Weather Gadgets in Windows Vista allows remote attackers to execute arbitrary code via crafted HTML attributes.

Frequently asked questions

What is CVE-2007-3891?: Unspecified vulnerability in Windows Vista Weather Gadgets in Windows Vista allows remote attackers to execute arbitrary code via crafted HTML attributes.
How severe is CVE-2007-3891?: CVE-2007-3891 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-3891 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-2007-3891?: CVE-2007-3891 primarily affects Microsoft Windows Vista. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3891 published?: CVE-2007-3891 was published on 2007-08-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*

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