CVE-2017-8565
Windows PowerShell Remote Code Execution Vulnerability
CVE-2017-8565 is fixed in 25 products on 1 platform, first by KB4025344, released July 11, 2017. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
7.5
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1864
97th percentile
<p>A remote code execution vulnerability exists in PowerShell when PSObject wraps a CIM Instance. An attacker who successfully exploited this vulnerability could execute malicious code on a vulnerable system.</p> <p>In an attack scenario, an attacker could execute malicious code in a PowerShell remote session.</p> <p>The update addresses the vulnerability by correcting how PowerShell deserializes user supplied scripts.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1511 for 32-bit Systems | 10586.1007 | KB4025344 | Jul 11, 2017 |
| Windows 10 Version 1511 for x64-based Systems | 10586.1007 | KB4025344 | Jul 11, 2017 |
| Windows 10 Version 1607 for 32-bit Systems | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows 10 Version 1607 for x64-based Systems | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.483 | KB4025342 | Jul 11, 2017 |
| Windows 10 Version 1703 for x64-based Systems | 15063.483 | KB4025342 | Jul 11, 2017 |
| Windows 10 for 32-bit Systems | 10240.17488 | KB4025338 | Jul 11, 2017 |
| Windows 10 for x64-based Systems | 10240.17488 | KB4025338 | Jul 11, 2017 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows 8.1 for 32-bit systems | KB4025333 | Jul 11, 2017 | |
| Windows 8.1 for 32-bit systems | KB4025336 | Jul 11, 2017 | |
| Windows 8.1 for x64-based systems | KB4025333 | Jul 11, 2017 | |
| Windows 8.1 for x64-based systems | KB4025336 | Jul 11, 2017 | |
| Windows RT 8.1 | KB4025336 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4025341 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4025337 | Jul 11, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4025872 | Jul 11, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4025872 | Jul 11, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4025872 | Jul 11, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4025872 | Jul 11, 2017 | |
| Windows Server 2012 | KB4025343 | Jul 11, 2017 | |
| Windows Server 2012 | KB4025331 | Jul 11, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4025343 | Jul 11, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4025331 | Jul 11, 2017 | |
| Windows Server 2012 R2 | KB4025333 | Jul 11, 2017 | |
| Windows Server 2012 R2 | KB4025336 | Jul 11, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4025333 | Jul 11, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4025336 | Jul 11, 2017 | |
| Windows Server 2016 | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows Server 2016 (Server Core installation) | 14393.1480 | KB4025339 | Jul 11, 2017 |