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."

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LOW

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."

Published Apr 14, 2015

2.1

LOW

CVSS 2.0

EPSS 1.79%

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."

Affected products

Remediation

No remediation recorded yet.

Metrics

1.79% 0.01793

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01793

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.79% (0.01793)	77.61th	v5 (v2026.06.15)
Jun 15, 2026	1.79% (0.01793)	75.48th	v5 (v2026.06.15)
Mar 17, 2025	0.73% (0.00725)	70.91th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	11.28th	v3 (v2023.03.01)
Jun 12, 2024	0.04% (0.00043)	9.42th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00043)	7.39th	v3 (v2023.03.01)
Mar 6, 2023	1.20% (0.01198)	61.79th	v2 (v2022.01.01)
Nov 13, 2022	1.20% (0.01198)	61.01th	v2 (v2022.01.01)
Apr 1, 2022	1.41% (0.01410)	70.94th	v2 (v2022.01.01)
Feb 4, 2022	1.41% (0.01410)	50.00th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://www.securitytracker.com/id/1032117
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-042
vendor-advisoryx_refsource_MSPatchVendor Advisory

Link	Providers	Tags
http://www.securitytracker.com/id/1032117		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-042		vendor-advisoryx_refsource_MSPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Apr 14, 2015

Updated Aug 6, 2024

Reserved Feb 17, 2015

Link CVE-2015-1647

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-1647

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-1647