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CVE-2020-1084

Connected User Experiences and Telemetry Service Denial of Service Vulnerability

MEDIUM
5.5
CVSS Score
Published: May 21, 2020 at 10:53 PM UTC
Updated: August 19, 2026 at 05:35 PM UTC
13 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows 10 1809

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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%

Description

A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values.An attacker who successfully exploited this vulnerability could deny dependent security feature functionality.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service validates certain function values., aka 'Connected User Experiences and Telemetry Service Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-1123.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10· Microsoft
95%
10.0.0 ≤ v < publication160717091803180919031909
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1507· Microsoft
95%
10.0.10240.0 ≤ v < publication10.0.10240.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1607· Microsoft
95%
10.0.14393.0 ≤ v < publication10.0.14393.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1809· Microsoft
95%
10.0.0 ≤ v < publication10.0.17763.0 ≤ v < publication10.0.010.0.17763.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1909· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 1803· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 1903· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 1909· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 2016· Microsoft
95%
10.0.14393.0 ≤ v < publication10.0.14393.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 2019· Microsoft
95%
10.0.17763.0 ≤ v < publication10.0.17763.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

PatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1084
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1084

CVSS

5.5MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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