CVE-2017-8565

CVE-2017-8565 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 8.1. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Windows PowerShell in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows a remote code execution vulnerability when PSObject wraps a CIM Instance, aka "Windows PowerShell Remote Code Execution Vulnerability".

Frequently asked questions

What is CVE-2017-8565?
Windows PowerShell in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows a remote code execution vulnerability when PSObject wraps a CIM Instance, aka "Windows PowerShell Remote Code Execution Vulnerability".
How severe is CVE-2017-8565?
CVE-2017-8565 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-8565 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8565?
CVE-2017-8565 primarily affects Microsoft Windows 10. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8565?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8565 published?
CVE-2017-8565 was published on 2017-07-11 and last updated on 2026-06-17.

References

Affected products (12)

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