Vulnerability · Published Aug 14, 2026 · Assigned by microsoft
CVE-2026-50523Microsoft PowerShell Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity command injection in PowerShell 7.4 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 74.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | powershell | 7.6.9-r0 | ALPINE-CVE-2026-50523 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | PowerShell 7.4 | 7.4.0 – before 7.4.19.0 |
| Microsoft | PowerShell 7.5 | 7.5.0 – before 7.5.10.0 |
| Microsoft | PowerShell 7.6 | 7.6.0 – before 7.6.5 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft PowerShell Remote Code Execution Vulnerability vendor-advisory, patch