CVE-2021-42277
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
MEDIUM
5.5
CVSS Score
Published: November 10, 2021 at 12:47 AM UTC
Updated: August 19, 2026 at 05:17 PM UTC
19 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows 10 1809
Using Windows 10 Version 1809 by Microsoft?
Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.9%
Description
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2015 update3
14.0.0 ≤ v < 27550.0014.0.0
Affected range stops below 27550.00, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.9.41, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.11.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.7.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.9.13, so it looks safe — our inference, not a vendor statement
10.0.10240.0 ≤ v < 10.0.10240.1911910.0.10240.0
Affected range stops below 10.0.10240.19119, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.477010.0.14393.0
Affected range stops below 10.0.14393.4770, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.17763.230010.0.0 ≤ v < 10.0.19041.134810.0.17763.0 ≤ v < 10.0.17763.230010.0.010.0.17763.0
Affected range stops below 10.0.17763.2300, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.1348, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.191610.0.0
Affected range stops below 10.0.18363.1916, so it looks safe — our inference, not a vendor statement
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
PatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42277Third Party Advisory
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-1306/Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42277CVSS
5.5MEDIUMmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card