Vulnerability Details : CVE-2021-36948
Windows Update Medic Service Elevation of Privilege Vulnerability
Vulnerability category: Gain privilege
Products affected by CVE-2021-36948
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
CVE-2021-36948 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Windows Update Medic Service Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Windows Update Medic Service contains an unspecified vulnerability that allows for privilege escalation.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-36948
Added on
2021-11-03
Action due date
2021-11-17
Exploit prediction scoring system (EPSS) score for CVE-2021-36948
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-36948
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Microsoft Corporation |
References for CVE-2021-36948
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36948
CVE-2021-36948 - Security Update Guide - Microsoft - Windows Update Medic Service Elevation of Privilege VulnerabilityPatch;Vendor Advisory
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