Auth bypass in Microsoft Windows 10
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."
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.050 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 1511, 1607
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows Rt 8.1
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2016
- Microsoft Corporation Windows Helppane — versions 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/41607/ (exploit)
- bugs.chromium.org/p/project-zero/issues/detail
- blog.inspired-sec.com/archive/2017/03/17/COM-Moniker-Privesc.html
- www.securitytracker.com/id/1038001 (vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0100 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/96700 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-0100?
- CVE-2017-0100 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Authentication. CVSS score: 7.8/10. Published 2017-03-17.
- How severe is CVE-2017-0100?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-0100 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.