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CVE-2007-4247

Windows Calendar on Microsoft Windows Vista allows remote attackers to cause a denial of service ...

4.3 Medium

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.

Exploit likelihood

14.7%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2007-4247
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2007-4247
Updated
2026-11-02
EUVDEUVD-2007-4230 No score

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.

Record
EUVD-2007-4230
Updated
2026-11-03
GitHub AdvisoriesGHSA-2hpp-qjhq-6j6p No score

Windows Calendar on Microsoft Windows Vista allows remote attackers to cause a denial of service ...

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.

Record
GHSA-2hpp-qjhq-6j6p
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
aliases, references, titleGitHub Advisories
first indexedCVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-4247 is a medium vulnerability (CVSS 4.3) in Microsoft Windows Vista, published August 8, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 14.7%, the 96th percentile. No source names a fixed version.

References

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