High severity7.8NVD Advisory· Published Apr 13, 2021· Updated Jun 17, 2026
CVE-2021-28321
CVE-2021-28321
Description
Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:a:microsoft:visual_studio:2015:update3:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:visual_studio:2015:update3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*range: >=16.0,<=16.7
- cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*Range: >=15.0,<=15.9
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*range: 10.0.0
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: 10.0.0
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28321nvdPatchVendor Advisory
- packetstormsecurity.com/files/162251/Microsoft-DiagHub-Privilege-Escalation.htmlnvdThird Party AdvisoryVDB Entry
- seclists.org/fulldisclosure/2021/Apr/40nvdMailing ListThird Party Advisory
News mentions
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