CVE-2020-1471
Windows CloudExperienceHost Elevation of Privilege Vulnerability
<p>An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The security update addresses the vulnerability by checking COM objects.</p>
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows CloudExperienceHost Elevation of Privilege Vulnerability
<p>An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The security update addresses the vulnerability by checking COM objects.</p>
- Record
CVE-2020-1471- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-12345
<p>An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The security update addresses the vulnerability by checking COM objects.</p>
- Record
EUVD-2020-12345- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g7v4-jgjh-qjgf
An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails...
An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects, aka 'Windows CloudExperienceHost Elevation of Privilege Vulnerability'.
- Record
GHSA-g7v4-jgjh-qjgf- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
<p>An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The security update addresses the vulnerability by checking COM objects.</p>
- Record
CVE-2020-1471- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1709
- microsoft windows 10 version 1709 for 32-bit systems
- microsoft windows 10 version 1803
- microsoft windows 10 version 1809
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows 10 version 1909
- microsoft windows 10 version 2004
- microsoft windows server 2016
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1471 is a high vulnerability (CVSS 7.3) in Microsoft Windows 10 Version 1507, published September 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. No source names a fixed version.