CVE-2026-70338CWE-94code-injection

CVE-2026-70338

High · published August 11, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
28.5
In the wild
Unconfirmed
What it is

Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00359 · 28.5th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
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)
EPSS history
Timeline
  • 11 AUG 17:07Z
    Microsoft PowerShell Security Feature Bypass Vulnerability
    cvelistv5