The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications
Published Oct 11, 2007
9.3
HIGHCVSS 2.0
EPSS 53.83%
Description
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
Affected products
No data.
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 53.83% (0.53831) | 98.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 53.83% (0.53831) | 98.86th | v5 (v2026.06.15) |
| Dec 28, 2025 | 83.26% (0.83256) | 99.24th | v4 (v2025.03.14) |
| Dec 27, 2025 | 81.99% (0.81990) | 99.17th | v4 (v2025.03.14) |
| Dec 17, 2025 | 83.26% (0.83256) | 99.23th | v4 (v2025.03.14) |
| Dec 15, 2025 | 82.00% (0.82001) | 99.16th | v4 (v2025.03.14) |
| Dec 12, 2025 | 83.26% (0.83256) | 99.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 81.99% (0.81990) | 99.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 85.08% (0.85082) | 99.19th | v4 (v2025.03.14) |
| Mar 17, 2025 | 81.99% (0.81990) | 99.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 95.28% (0.95280) | 99.44th | v3 (v2023.03.01) |
| Jul 7, 2024 | 94.75% (0.94748) | 99.29th | v3 (v2023.03.01) |
| May 30, 2024 | 95.80% (0.95804) | 99.43th | v3 (v2023.03.01) |
| Mar 14, 2024 | 96.07% (0.96066) | 99.45th | v3 (v2023.03.01) |
| Dec 30, 2023 | 95.46% (0.95457) | 99.22th | v3 (v2023.03.01) |
| Nov 22, 2023 | 95.36% (0.95360) | 99.17th | v3 (v2023.03.01) |
| Oct 16, 2023 | 95.72% (0.95717) | 99.21th | v3 (v2023.03.01) |
| Sep 10, 2023 | 96.24% (0.96237) | 99.32th | v3 (v2023.03.01) |
| Aug 6, 2023 | 96.50% (0.96503) | 99.39th | v3 (v2023.03.01) |
| Jul 1, 2023 | 96.71% (0.96715) | 99.46th | v3 (v2023.03.01) |
| May 26, 2023 | 96.89% (0.96885) | 99.52th | v3 (v2023.03.01) |
| Apr 20, 2023 | 96.81% (0.96806) | 99.45th | v3 (v2023.03.01) |
| Mar 15, 2023 | 96.75% (0.96748) | 99.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.60% (0.96600) | 99.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 46.11% (0.46113) | 98.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 46.11% (0.46113) | 97.84th | v2 (v2022.01.01) |
References (40)
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- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4581 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.