# CVE-2026-50523: Microsoft PowerShell command injection

Source: https://junglewise.ai/threats/cve-2026-50523-microsoft-powershell-command-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-14. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-50523 · Severity: high · CVSS 7.8 · Published 2026-08-14

Microsoft PowerShell, a widely-used command-line automation tool in Windows environments, contains a command injection vulnerability. An authorized attacker with local access could exploit this flaw to execute arbitrary code on affected systems, potentially compromising system integrity and data security.

Technologies: [Microsoft PowerShell](https://junglewise.ai/threats/technologies/powershell). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-50523 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-50523 being exploited in the wild.

**How severe is CVE-2026-50523?** High severity, with a CVSS score of 7.8, published 14 August 2026.

**Which products and versions are affected?** Microsoft PowerShell.

**Is there a fix for CVE-2026-50523?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-50523 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-50523?** Check whether you run Microsoft PowerShell. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an improper neutralization of special elements in command processing (command injection, CWE-77/78) within Microsoft PowerShell. The flaw allows an authorized attacker with local access to execute arbitrary code by injecting specially-crafted commands. Attack requires local access and attacker authorization. No patch availability information is provided in the advisory.

## Affected products

- Microsoft PowerShell

## Timeline

- 2026-08-14: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50523](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50523)

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