How severe is CVE-2015-1647?

CVE-2015-1647 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-1647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1647?

CVE-2015-1647 primarily affects Microsoft Windows 8.1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1647?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1647 published?

CVE-2015-1647 was published on 2015-04-14 and last updated on 2026-06-17.

CVE-2015-1647

CVE-2015-1647 is a low-severity vulnerability in Microsoft Windows 8.1 with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Windows 8.1
Published: 2015-04-14
Last modified: 2026-06-17

Description

Virtual Machine Manager (VMM) in Hyper-V in Microsoft Windows 8.1 and Windows Server 2012 R2 allows guest OS users to cause a denial of service (VMM functionality loss) via a crafted application, aka "Windows Hyper-V DoS Vulnerability."

Frequently asked questions

What is CVE-2015-1647?: Virtual Machine Manager (VMM) in Hyper-V in Microsoft Windows 8.1 and Windows Server 2012 R2 allows guest OS users to cause a denial of service (VMM functionality loss) via a crafted application, aka "Windows Hyper-V DoS Vulnerability."
How severe is CVE-2015-1647?: CVE-2015-1647 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-1647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1647?: CVE-2015-1647 primarily affects Microsoft Windows 8.1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1647 published?: CVE-2015-1647 was published on 2015-04-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

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