Vulnerability details
CVE-2026-70337
Microsoft PowerShell
Microsoft PowerShell Remote Code Execution Vulnerability
CVSS 3.1
8.8High
Official description
Relative path traversal in Microsoft PowerShell Core allows an unauthorized attacker to execute code over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | PowerShell 7.4 | 7.4.0 ≤ v < 7.4.19.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | PowerShell 7.5 | 7.5.0 ≤ v < 7.5.10.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | PowerShell 7.6 | 7.6.0 ≤ v < 7.6.5 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70337 vendor-advisorypatch
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Details
- Published
- 2026-08-11
- Last updated
- 2026-10-22
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
0.93%
Probability of exploitation in 30 days
61%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-23Relative Path Traversal