CVE-2021-26866CWE-59

CVE-2021-26866

High · published March 11, 2021

CVSS v3.1
7.1
EPSS
1%
Percentile
66.8
In the wild
Unconfirmed
What it is

Windows Update Service Elevation of Privilege Vulnerability

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01157 · 66.8th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2021-03-11T21:15Z
Affected products (12)
ProductVersionsFixed in
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2019all versions—
References (3)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26866 · [email protected]https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26866 · af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-286/ · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 11 MAR 15:38Z
    Windows Update Service Elevation of Privilege Vulnerability
    cvelistv5