CVE-2017-0100 — A DCOM object in Helppane.exe in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows local users to gain privileges via a crafted application, aka "Windows HelpPane Elevation of Privilege Vulnerability."

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HIGH

A DCOM object in Helppane.exe in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows local users to gain privileges via a crafted application, aka "Windows HelpPane Elevation of Privilege Vulnerability."

Published Mar 17, 2017

7.8

HIGH

CVSS 3.0

EPSS 4.96%

Description

A DCOM object in Helppane.exe in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows local users to gain privileges via a crafted application, aka "Windows HelpPane Elevation of Privilege Vulnerability."

Affected products

Vendor Microsoft Corporation Product Windows HelpPane Default
n/a
- Version
  Windows HelpPane in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Microsoft Corporation

Windows HelpPane

n/a

Version	Status	Constraints
Windows HelpPane in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016	affected	-

Remediation

No remediation recorded yet.

Metrics

4.96% 0.04957

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

EPSS probability 0.04957

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (41 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	4.96% (0.04957)	91.91th	v5 (v2026.06.15)
Sep 22, 2026	4.96% (0.04957)	91.79th	v5 (v2026.06.15)
Sep 21, 2026	6.70% (0.06698)	93.70th	v5 (v2026.06.15)
Sep 6, 2026	4.96% (0.04957)	91.61th	v5 (v2026.06.15)
Sep 5, 2026	6.70% (0.06698)	93.56th	v5 (v2026.06.15)
Aug 30, 2026	4.96% (0.04957)	91.56th	v5 (v2026.06.15)
Aug 28, 2026	6.70% (0.06698)	93.52th	v5 (v2026.06.15)
Aug 24, 2026	4.96% (0.04957)	91.51th	v5 (v2026.06.15)
Aug 23, 2026	6.70% (0.06698)	93.49th	v5 (v2026.06.15)
Jun 15, 2026	4.96% (0.04957)	91.03th	v5 (v2026.06.15)
Mar 31, 2026	50.35% (0.50348)	97.82th	v4 (v2025.03.14)
Feb 1, 2026	34.68% (0.34683)	96.92th	v4 (v2025.03.14)
Jan 10, 2026	35.70% (0.35699)	96.93th	v4 (v2025.03.14)
Nov 9, 2025	38.29% (0.38287)	97.05th	v4 (v2025.03.14)
May 15, 2025	30.44% (0.30443)	96.42th	v4 (v2025.03.14)
Mar 30, 2025	38.59% (0.38589)	96.95th	v4 (v2025.03.14)
Mar 29, 2025	41.36% (0.41356)	96.11th	v4 (v2025.03.14)
Mar 28, 2025	38.59% (0.38589)	96.94th	v4 (v2025.03.14)
Mar 27, 2025	41.36% (0.41356)	96.94th	v4 (v2025.03.14)
Mar 20, 2025	38.59% (0.38589)	96.97th	v4 (v2025.03.14)
Mar 19, 2025	41.36% (0.41356)	96.99th	v4 (v2025.03.14)
Mar 17, 2025	38.59% (0.38589)	96.91th	v4 (v2025.03.14)
Dec 12, 2024	0.06% (0.00056)	25.14th	v3 (v2023.03.01)
Jun 17, 2024	0.06% (0.00062)	26.53th	v3 (v2023.03.01)
May 9, 2024	0.09% (0.00087)	36.36th	v3 (v2023.03.01)
Mar 29, 2024	0.13% (0.00132)	47.39th	v3 (v2023.03.01)
Feb 18, 2024	0.10% (0.00102)	40.45th	v3 (v2023.03.01)
Jan 5, 2024	0.12% (0.00116)	45.26th	v3 (v2023.03.01)
Nov 27, 2023	0.13% (0.00133)	48.15th	v3 (v2023.03.01)
Oct 18, 2023	0.14% (0.00142)	49.69th	v3 (v2023.03.01)
Sep 10, 2023	0.17% (0.00172)	53.79th	v3 (v2023.03.01)
Aug 1, 2023	0.12% (0.00121)	45.50th	v3 (v2023.03.01)
Jun 20, 2023	0.11% (0.00108)	42.46th	v3 (v2023.03.01)
Apr 1, 2023	0.14% (0.00136)	47.33th	v3 (v2023.03.01)
Mar 7, 2023	0.14% (0.00142)	48.18th	v3 (v2023.03.01)
Mar 6, 2023	1.96% (0.01961)	78.50th	v2 (v2022.01.01)
Apr 1, 2022	1.96% (0.01961)	76.61th	v2 (v2022.01.01)
Feb 4, 2022	1.96% (0.01961)	55.74th	v2 (v2022.01.01)
Feb 3, 2022	28.65% (0.28652)	96.49th	v1
Sep 1, 2021	28.65% (0.28652)	98.40th	v1
Apr 14, 2021	28.65% (0.28652)	0.00th	v1

Weaknesses (1)

CWE-287

Improper Authentication

References (6)

http://blog.inspired-sec.com/archive/2017/03/17/COM-Moniker-Privesc.html
x_refsource_MISC
http://www.securityfocus.com/bid/96700
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038001
vdb-entryx_refsource_SECTRACK
https://bugs.chromium.org/p/project-zero/issues/detail?id=1021
x_refsource_MISC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0100
x_refsource_CONFIRMPatchVendor Advisory
https://www.exploit-db.com/exploits/41607/
exploitx_refsource_EXPLOIT-DB

Link	Providers	Tags
http://blog.inspired-sec.com/archive/2017/03/17/COM-Moniker-Privesc.html		x_refsource_MISC
http://www.securityfocus.com/bid/96700		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038001		vdb-entryx_refsource_SECTRACK
https://bugs.chromium.org/p/project-zero/issues/detail?id=1021		x_refsource_MISC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0100		x_refsource_CONFIRMPatchVendor Advisory
https://www.exploit-db.com/exploits/41607/		exploitx_refsource_EXPLOIT-DB

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Mar 17, 2017

Updated Aug 5, 2024

Reserved Sep 9, 2016

Link CVE-2017-0100

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-0100

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-0100