CVE-2026-70337CWE-23

CVE-2026-70337

High · published August 11, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
60.6
In the wild
Unconfirmed
What it is

Relative path traversal in Microsoft PowerShell Core allows an unauthorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00939 · 60.6th percentile
Weakness
CWE-23 · Relative Path Traversal
Published
2026-08-11T21:19Z
Affected products (3)
ProductVersionsFixed in
microsoft/powershell≥ 7.4, < 7.4.19.07.4.19.0
microsoft/powershell≥ 7.5, < 7.5.10.07.5.10.0
microsoft/powershell≥ 7.6, < 7.6.57.6.5
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70337 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:07Z
    Microsoft PowerShell Remote Code Execution Vulnerability
    cvelistv5