CVE-2021-42278

HIGHCVSS 7.5Known Exploited

CISA Known Exploited Vulnerability

https://nvd.nist.gov/vuln/detail/CVE-2021-42278

Remediation deadline: May 2, 2022

Ransomware use: Known

Description

Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.

Timeline

Published:November 10th, 2021 1:19 AM

Last modified:August 19th, 2026 7:22 PM

Added to KEV:April 11th, 2022

CVSS Scoring

CVSS v3: 7.5 (HIGH)

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

CVSS v2: 6.5

Affected Software

From NVD CPE configuration data

Vendors

microsoft

Products

windows_server_2004windows_server_2008windows_server_2012windows_server_2016windows_server_2019windows_server_2022windows_server_20h2

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute