CVE-2007-4247
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.
Exploit likelihood
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 Medium
AV: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
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, references, title | GitHub Advisories | |
| first indexed | CVE 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.