6.1mediumMedium
CVE-2021-31961
Microsoft Windows 10
Windows InstallService Elevation of Privilege Vulnerability
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an ordinary user account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 6.1 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H- Weakness
- CWE-269
- Assigned by
- secure@microsoft.com
Dates
- Published
- 2021-07-14
- Last modified
- 2026-08-10
- Sources
- NVD
Affected products
- Microsoft Windows 1020h2, 21h1, 1809, 1909, 2004
- Microsoft Windows Server 201620h2, 2004
- Microsoft Windows Server 2019all versions
As listed in the NVD configuration data. Not a statement about your estate.