CVE-2021-28322
mediumpriority · track · 18EPSS 0.010 · 64 %ileEURUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.04% (64th) EPSS
CVSS 4.6 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · fstec_bdu
EPSS · scored 2026-10-27
Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
01
cvss
Technical severity, 0–10. One row per scoring source.
7.8
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.9–7.8
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (43)
Products and version ranges known to be affected.
showing 20 of 43
04
also known as (4)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (13)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2021/Apr/40cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28322cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-28322cnnvd
- https://packetstormsecurity.com/files/162251/Microsoft-DiagHub-Privilege-Escalation.htmlcnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28322cnnvd
- https://vigilance.fr/vulnerability/Windows-vulnerabilities-of-April-2021-35071cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021041322cnnvd
- http://packetstormsecurity.com/files/162251/Microsoft-DiagHub-Privilege-Escalation.htmlenisa_euvd
scry
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