Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03

[ Description ]Official description

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

CISA: Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.

• Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31199PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource