Search/CVE-2021-42291
CVE — High

CVE-2021-42291

Active Directory Domain Services Elevation of Privilege Vulnerability

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, 2026Sep 4, 2026
0.85pp
3.32% → 4.17% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Timeline
disclosure → media coverage
Nov 10, 2021
Disclosure — published as a CVE record. · last revised by NVD Aug 19, 2026