CVE-2021-31201
Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Enhanced Cryptographic Provider, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Nov 17, 2021.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
Description
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Source |
|---|---|---|
| Enhanced Cryptographic Provider | Microsoft | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2021-31201 scored CVSS 5.2: Microsoft Enhanced Cryptographic Provider, Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
CISA lists this as exploited in the wild. Unpatched Enhanced Cryptographic Provider systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2021-31201: Microsoft Enhanced Cryptographic Provider, Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
An official fix is now available for Microsoft Enhanced Cryptographic Provider. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
We have not published a story about this vulnerability yet.