CVE-2021-26866

medium

Description

Windows Update Service Elevation of Privilege Vulnerability

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26866

https://www.zerodayinitiative.com/advisories/ZDI-21-286/

Details

Source: MITRE

Published: 2021-03-11

Updated: 2022-05-03

Type: CWE-59

Risk Information

CVSS v2

Base Score: 3.6

Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Impact Score: 4.2

Exploitability Score: 1.8

Severity: MEDIUM