CVE-2026-50523CWE-77command-injection

CVE-2026-50523

High · published August 15, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
24.0
In the wild
Unconfirmed
What it is

Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00322 · 24.0th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-15T01:17Z
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-2026-50523 · [email protected]
EPSS history
Timeline
  • 14 AUG 21:05Z
    Microsoft PowerShell Remote Code Execution Vulnerability
    cvelistv5