ReviewHigh

CVE-2026-50523

Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6

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

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.15
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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

Affected product and versions

Product
Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6
Affected versions
>= 7.4.0 < 7.4.19.0, >= 7.5.0 < 7.5.10.0, >= 7.6.0 < 7.6.5, >= 7.4 < 7.4.19.0, >= 7.5 < 7.5.10.0, >= 7.6 < 7.6.5
Fixed versions
7.4.19.0, 7.5.10.0, 7.6.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-77