Vulnerability Intelligence

🛡 CVE-2021-31199

Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
Microsoft Enhanced Cryptographic Provider

Ransomware use

—
CISA KEV

EPSS

3.0%
Moderate · 86th pct

Added to KEV

2021-11-03
CISA

Remediate by

2021-11-17
⚠ OVERDUE

CWE

—
weakness
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📈 EPSS exploit probability

3.0%
FIRST EPSS — 30-day probability of exploitation in the wild · band Moderate · higher than 86% of all scored CVEs

⚠ KEV remediation overdue

CISA required federal remediation by 2021-11-17. This exploited vulnerability is past its Binding Operational Directive 22-01 due date — prioritize patch/mitigation and hunt for exploitation.

📄 Description

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

🔗 External references & OSINT

NVD →CISA KEV →MITRE CVE →Exploit-DB →EPSS (FIRST) →VulnCheck →Tenable →CVE.org →GitHub PoC →Vulmon →

🔄 Internal pivots & actions

Search this CVE →Correlation graph →Generate detection rules →Timeline →Link analysis →Ransomware theater →

🛡 Add to case

Attach CVE-2021-31199 (Vulnerability / CVE) and pull all linked entities:

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