Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 14, 2026 · NIST NVD

   Detected

   Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

2. Jun 17, 2026 · NIST NVD

   Updated

   Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

Affected

• cpe microsoft/powershellversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-26143

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-26143

  Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

  nvd.nist.gov

References

• Vendor Advisory · msrc.microsoft.com