The Microsoft Antimalware Client in Windows Defender on Windows 8 and Windows RT uses an…
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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."
Why it matters now
EPSS 0.01806 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8:-:-:x86:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_8:-:-:x86:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-0078
- 2026-10-03 Alias added: GHSA-ggpx-9gxx-fx4v
References
More Microsoft Windows Defender vulnerabilities
- TI-2021-01364 Microsoft Defender Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2017-06074 Out-of-bounds write in Microsoft Malware Protection Engine KEVCVSS 3.1HIGH 7.8
- TI-2017-00265 Memory corruption in Microsoft Malware Protection Engine CVSS 3.0HIGH 7.8
- TI-2018-00915 Out-of-bounds write in Microsoft Windows Defender CVSS 3.1HIGH 8.8
- TI-2017-06072 Memory corruption in Microsoft Malware Protection Engine CVSS 3.0HIGH 7.8
- TI-2017-06075 Memory corruption in Microsoft Malware Protection Engine CVSS 3.0HIGH 7.8
Sources
- CVE-2013-0078 · CVE Program
- CVE-2013-0078 · NVD
- FIRST EPSS
- GHSA-ggpx-9gxx-fx4v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences