Is CVE-2010-0026 being actively exploited?

CVE-2010-0026 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-0026?

CVE-2010-0026 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2010-0026

MEDIUM · CVSS 4.0EPSS 1.6%EU EUVD

The Hyper-V server implementation in Microsoft Windows Server 2008 Gold, SP2, and R2 on the x64 platform allows guest OS users to cause a denial of service (host OS hang) via a crafted application that executes a malformed series of machine instructions, aka "Hyper-V Instruction Set Validation Vulnerability."

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:H/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 1.6% (75th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-0058)
Published: February 10, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-0058 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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