5.2
Medium
Exploited
CVE-2021-31199 Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Description
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1809 10.0 | 10.0.0 → < 10.0.17763.1999 | 10.0.17763.1999 |
| Windows Server 2019 10.0 | 10.0.0 → < 10.0.17763.1999 | 10.0.17763.1999 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.0 → < 10.0.17763.1999 | 10.0.17763.1999 |
| Windows 10 Version 1909 10.0 | 10.0.0 → < 10.0.18363.1621 | 10.0.18363.1621 |
| Windows 10 Version 21H1 10.0 | 10.0.0 → < 10.0.19043.1052 | 10.0.19043.1052 |
| Windows 10 Version 2004 10.0 | 10.0.0 → < 10.0.19041.1052 | 10.0.19041.1052 |
| Windows Server version 2004 10.0 | 10.0.0 → < 10.0.19041.1052 | 10.0.19041.1052 |
| Windows 10 Version 20H2 10.0 | 10.0.0 → < 10.0.19042.1052 | 10.0.19042.1052 |
| Windows Server version 20H2 10.0 | 10.0.0 → < 10.0.19042.1052 | 10.0.19042.1052 |
Show the 16 other branches Hide the 16 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1507 10.0 | 10.0.0 → < 10.0.10240.18967 | 10.0.10240.18967 |
| Windows 10 Version 1607 10.0 | 10.0.0 → < 10.0.14393.4467 | 10.0.14393.4467 |
| Windows Server 2016 10.0 | 10.0.0 → < 10.0.14393.4467 | 10.0.14393.4467 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.0 → < 10.0.14393.4467 | 10.0.14393.4467 |
| Windows 7 6.1 | 6.1.0 → < 6.1.7601.25632 | 6.1.7601.25632 |
| Windows 7 Service Pack 1 6.1 | 6.1.0 → < 6.1.7601.25632 | 6.1.7601.25632 |
| Windows 8.1 6.3 | 6.3.0 → < 6.3.9600.20045 | 6.3.9600.20045 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.0 → < 6.0.6003.21137 | 6.0.6003.21137 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.0 → < 6.0.6003.21137 | 6.0.6003.21137 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.0 → < 6.0.6003.21137 | 6.0.6003.21137 |
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.0 → < 6.1.7601.25632 | 6.1.7601.25632 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0 | 6.0.0 → < 6.1.7601.25632 | 6.1.7601.25632 |
| Windows Server 2012 6.2 | 6.2.0 → < 6.2.9200.23372 | 6.2.9200.23372 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.0 → < 6.2.9200.23372 | 6.2.9200.23372 |
| Windows Server 2012 R2 6.3 | 6.3.0 → < 6.3.9600.20045 | 6.3.9600.20045 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.0 → < 6.3.9600.20045 | 6.3.9600.20045 |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Windows 10 Version 1809
The 5349 CVEs of Windows 10 Version 1809 →
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to…
8.8
High
CVE-2026-108132
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally
7.0
High
CVE-2026-108129
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium