NEXUS8
by 8bitsecurity
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CVE-2021-42291
● CVE — High
CVE-2021-42291
Active Directory Domain Services Elevation of Privilege Vulnerability
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CVSS v3.1
7.5
HIGH
EPSS
4.17
%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
EPSS Trend
Aug 16, 2026 → Sep 4, 2026
▲ 0.85
pp
3.32% → 4.17% over 3 tracked changes
CVSS v3.1 Detail
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
7 relationships
Affects
6
Classification
1
windows server 2008
source
windows server 2012
source
windows server 2016
source
windows server 2019
source
windows server 2022
source
windows server
source
Timeline
disclosure → media coverage
Nov 10, 2021
Disclosure
— published as a CVE record.
· last revised by NVD Aug 19, 2026