PULSE
ES
FEED
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← All CVEs
CVE Watch—

CVE-2021-31199

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

CVSS

—

No CVSS

EPSS

3.0%

p87

KEV

YES

Nov 3, 2021

Exploit Today

76

0-100

Published: — · Last modified: —

EPSS · 30d
3.0%EPSS · 30 days3.0%
2026-09-172026-10-15
KEV catalog record

Product

Microsoft / Enhanced Cryptographic Provider

Vulnerability

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-31199

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KEV—76Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability—