Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

MEDIUM 5.2EXPLOITED (CISA KEV)CVE-2021-31199 · Published 08/06/2021 · updated 17/06/2026

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Enhanced Cryptographic Provider Microsoft	Versions not published yet (product named by CISA KEV)

Description

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31199 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-31199

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