CVE-2018-8327

Name: CVE-2018-8327
Creator: NVD / NIST
Published: 2018-07-11T00:29:02.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 21.17%

Last modified Jun 17, 2026

CVE-2018-8327 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability exists in PowerShell Editor Services, aka "PowerShell Editor Services Remote Code Execution Vulnerability." This affects PowerShell Editor, PowerShell Extension.. EPSS estimates a 21.17% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in PowerShell Editor Services, aka "PowerShell Editor Services Remote Code Execution Vulnerability." This affects PowerShell Editor, PowerShell Extension.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

21.17%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Powershell	< 1.7.0
Microsoft	Powershell Editor Services	< 1.7.0

References

http://www.securityfocus.com/bid/104649Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041251Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8327Patch, Vendor Advisory
http://www.securityfocus.com/bid/104649Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041251Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8327Patch, Vendor Advisory

Timeline

Published: Jul 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8327?

A remote code execution vulnerability exists in PowerShell Editor Services, aka "PowerShell Editor Services Remote Code Execution Vulnerability." This affects PowerShell Editor, PowerShell Extension.

How severe is CVE-2018-8327?

CVE-2018-8327 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 21.17% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST