CVE-2007-4247

Name: CVE-2007-4247
Creator: NVD / NIST
Published: 2007-08-08T23:17:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 14.66%

Last modified Jun 16, 2026

CVE-2007-4247 is a vulnerability of currently unknown severity. Windows Calendar on Microsoft Windows Vista allows remote attackers to cause a denial of service (NULL dereference and persistent application crash) via a malformed ICS file.. EPSS estimates a 14.66% chance of exploitation in the next 30 days.

Description

Windows Calendar on Microsoft Windows Vista allows remote attackers to cause a denial of service (NULL dereference and persistent application crash) via a malformed ICS file.

Metrics

EPSS Probability

14.66%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows Vista	All versions

References

Timeline

Published: Aug 8, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-4247?

Windows Calendar on Microsoft Windows Vista allows remote attackers to cause a denial of service (NULL dereference and persistent application crash) via a malformed ICS file.

How severe is CVE-2007-4247?

Severity scoring for CVE-2007-4247 is pending analysis. The EPSS model estimates a 14.66% probability of exploitation in the next 30 days.

How do I fix CVE-2007-4247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-4247?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST