Microsoft PowerShell
CVE-2018-8256 — Microsoft PowerShell Remote Code Execution Vulnerability
Executive Summary
A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could execute malicious code on a vulnerable system. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring PowerShell properly handles files.
Overview
6.3
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
Low
Temporal Score: 6.3
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
25 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft.PowerShell.Archive 1.2.2.0 | Release Notes (Security Update) |
Important | Remote Code Execution | Yes |
| PowerShell Core 6.0 | Release Notes (Security Update) |
Important | Remote Code Execution | Yes |
| PowerShell Core 6.1 | Release Notes (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for 32-bit Systems | 4467680 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 4467680 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 4467691 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 4467691 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1703 for 32-bit Systems | 4467696 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1703 for x64-based Systems | 4467696 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for 32-bit Systems | 4467686 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for ARM64-based Systems | 4467686 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1709 for x64-based Systems | 4467686 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for 32-bit Systems | 4467702 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for ARM64-based Systems | 4467702 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1803 for x64-based Systems | 4467702 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 4467708 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 4467708 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for x64-based Systems | 4467708 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 4467107 (Monthly Rollup) 4467106 (Security Only) Important Remote Code Execution 4462923 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows 7 for x64-based Systems Service Pack 1 4467107 (Monthly Rollup) 4467106 (Security Only) Important Remote Code Execution 4462923 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows 8.1 for 32-bit systems 4467697 (Monthly Rollup) 4467703 (Security Only) Important Remote Code Execution 4462926 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows 8.1 for x64-based systems 4467697 (Monthly Rollup) 4467703 (Security Only) Important Remote Code Execution 4462926 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows RT 8.1 | 4467697 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4467107 (Monthly Rollup) 4467106 (Security Only) Important Remote Code Execution 4462923 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 4467107 (Monthly Rollup) 4467106 (Security Only) Important Remote Code Execution 4462923 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4467107 (Monthly Rollup) 4467106 (Security Only) Important Remote Code Execution 4462923 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2012 4467701 (Monthly Rollup) 4467678 (Security Only) Important Remote Code Execution 4462929 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2012 (Server Core installation) 4467701 (Monthly Rollup) 4467678 (Security Only) Important Remote Code Execution 4462929 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2012 R2 4467697 (Monthly Rollup) 4467703 (Security Only) Important Remote Code Execution 4462926 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2012 R2 (Server Core installation) 4467697 (Monthly Rollup) 4467703 (Security Only) Important Remote Code Execution 4462926 Base: 6.3 Temporal: 6.3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Yes None Windows Server 2016 | 4467691 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 4467691 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 | 4467708 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 (Server Core installation) | 4467708 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 1709 (Server Core Installation) | 4467686 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 1803 (Server Core Installation) | 4467702 (Security Update) |
Important | Remote Code Execution | Yes |
Patches
8 patches
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Yes |
4467680 |
Security Update | Yes |
4467691 |
Security Update | Yes |
4467696 |
Security Update | Yes |
4467686 |
Security Update | Yes |
4467702 |
Security Update | Yes |
4467708 |
Security Update | Yes |
4467697 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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