Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a…
Priority LOW 32CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a Buffer Overflow vulnerability in os.symlink() function on Windows that can result in Arbitrary code execution, likely escalation of privilege. This attack appears to be exploitable via a python script that creates a symlink with an attacker controlled name or location. This vulnerability appears to have been fixed in 3.7.0 and 3.6.5.
Why it matters now
EPSS 0.0104 64th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:python:*:*:*:*:*:*:*:* | 3.2.0 to before 3.4.9; 3.5.0 to before 3.5.6; 3.6.0 to before 3.6.5 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.7.0:beta1:*:*:*:*:*:* | 3.7.0 beta1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.7.0:beta2:*:*:*:*:*:* | 3.7.0 beta2 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.7.0:beta3:*:*:*:*:*:* | 3.7.0 beta3 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.7.0:beta4:*:*:*:*:*:* | 3.7.0 beta4 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.7.0:beta5:*:*:*:*:*:* | 3.7.0 beta5 | Vulnerable | python-pillow |
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:* Versions 3.2.0 to before 3.4.9; 3.5.0 to before 3.5.6; 3.6.0 to before 3.6.5 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.7.0:beta1:*:*:*:*:*:* Versions 3.7.0 beta1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.7.0:beta2:*:*:*:*:*:* Versions 3.7.0 beta2 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.7.0:beta3:*:*:*:*:*:* Versions 3.7.0 beta3 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.7.0:beta4:*:*:*:*:*:* Versions 3.7.0 beta4 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.7.0:beta5:*:*:*:*:*:* Versions 3.7.0 beta5 Vulnerable ·python-pillow
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1000117
- 2026-10-03 Alias added: GHSA-9wwx-vjm7-9x2m
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Sources
- CVE-2018-1000117 · CVE Program
- CVE-2018-1000117 · NVD
- FIRST EPSS
- GHSA-9wwx-vjm7-9x2m · GitHub Advisory Database · CC BY 4.0
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