The Microsoft Antimalware Client in Windows Defender on Windows 8 and Windows RT uses an incorrect pathname for MsMpEng.exe, which allows local users to gain privileges via a crafted application, aka "Microsoft Antimalware Improper Pathname Vulnerability."
Published Apr 9, 2013
7.2
HIGHCVSS 2.0
EPSS 1.81%
Description
The Microsoft Antimalware Client in Windows Defender on Windows 8 and Windows RT uses an incorrect pathname for MsMpEng.exe, which allows local users to gain privileges via a crafted application, aka "Microsoft Antimalware Improper Pathname Vulnerability."
Affected products
No data.
- n/a
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:L/AC:L/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.81% (0.01806) | 77.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.81% (0.01806) | 75.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00359) | 55.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 20.97th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.05% (0.00049) | 19.04th | v3 (v2023.03.01) |
| May 3, 2024 | 0.06% (0.00055) | 22.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01205) | 61.88th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.21% (0.01205) | 60.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01205) | 58.88th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01205) | 35.25th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/ncas/alerts/TA13-100A third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-034 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16293 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-100A | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-034 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16293 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.