CVE-2007-3891

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

Published: 2007-08-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-3891 is rated Moderate Risk (56.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 25.19%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-3891

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 55.74% 25.19% -30.55%
2 2026-04-02 55.37% 55.74% +0.38%
3 2026-02-13 55.37%

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3891

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2007-3891

Affected software / configurations for CVE-2007-3891

Vendor Product Version Raw CPE
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*

References for CVE-2007-3891

cvelogic Threat Intelligence