Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-8256

38
FAUCET Score

CVE-2018-8256 describes a remote code execution vulnerability in Microsoft PowerShell and PowerShell Core, affecting various Windows operating systems and PowerShell versions. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated attacker to execute arbitrary code by tricking a user into opening a specially crafted file. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.2.0CPE matchmatch criteria
cpe:2.3:a:microsoft:microsoft.powershell.archive:1.2.2.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
1607CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
22.64%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.2264 is in the 98th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (37)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1709 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Windows RT 8.1
microsoftpatch availablevia msrc
Product: Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for ARM64-based Systems
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for ARM64-based Systems
microsoftpatch availablevia msrc
Product: Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for ARM64-based Systems
microsoftpatch availablevia msrc
Product: PowerShell Core 6.0
View patch
microsoftpatch availablevia msrc
Product: PowerShell Core 6.1
View patch
microsoftpatch availablevia msrc
Product: Microsoft.PowerShell.Archive 1.2.2.0
View patch

Vendor Advisories (1)

microsoft2018-Nov/CVE-2018-8256Important

Microsoft PowerShell Remote Code Execution Vulnerability

Nov 13, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8256
PatchVendor Advisory
securityfocus.com / bid/105781
Third Party AdvisoryVDB Entry
securitytracker.com / id/1042108
Third Party AdvisoryVDB Entry