CVE-2021-42278
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — Active Directory
Date Added
2022-04-11
Remediation Due
2022-05-02
Ransomware Use
CONFIRMED
https://nvd.nist.gov/vuln/detail/CVE-2021-42278
Affected Software (9)
| Vendor | Product | Version |
|---|---|---|
| microsoft | windows_server_2004 | < 10.0.19041.1348 |
| microsoft | windows_server_2008 | - |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | - |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | < 10.0.14393.4770 |
| microsoft | windows_server_2019 | < 10.0.17763.2300 |
| microsoft | windows_server_2022 | < 10.0.20348.350 |
| microsoft | windows_server_20h2 | < 10.0.19042.1348 |
References & Advisories (3)
US Government Resource
Patch
Vendor Advisory
Patch
Vendor Advisory