7.5
High
Exploited
· ransomware
CVE-2021-42278 Microsoft Active Directory Domain Services Privilege Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-20
Description
Active Directory Domain Services Elevation of Privilege Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.2300 | 10.0.17763.2300 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.2300 | 10.0.17763.2300 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.350 | 10.0.20348.350 |
| Windows Server version 2004 10.0 | 10.0.0 → < 10.0.19041.1348 | 10.0.19041.1348 |
| Windows Server version 20H2 10.0 | 10.0.0 → < 10.0.19042.1348 | 10.0.19042.1348 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.4770 | 10.0.14393.4770 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.4770 | 10.0.14393.4770 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.21282 | 6.0.6003.21282 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.6003.0 → < 6.0.6003.21282 | 6.0.6003.21282 |
Show the 7 other branches Hide the 7 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2008 Service Pack 2 6.0 | 6.0.0 → < 6.0.6003.21282 | 6.0.6003.21282 |
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.7601.0 → < 6.1.7601.25769 | 6.1.7601.25769 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 | 6.1.7601.0 → < 6.1.7601.25769 | 6.1.7601.25769 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.23517 | 6.2.9200.23517 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.23517 | 6.2.9200.23517 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.20174 | 6.3.9600.20174 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.20174 | 6.3.9600.20174 |
References
- Active Directory Domain Services Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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