CVE-2021-31199
MEDIUM KEVMicrosoft Enhanced Cryptographic Provider - Privilege Escalation
Title source: llmExploitation Summary
CVE-2021-31199 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.
Description
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31199
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31199
Scores
CVSS v3
5.2
EPSS
0.0093
EPSS Percentile
76.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-06-08
InTheWild.io
2021-06-08
ENISA EUVD
EUVD-2021-18112
Status
published
Products (18)
microsoft/windows_10_1507
< 10.0.10240.18967
microsoft/windows_10_1607
< 10.0.14393.4467
microsoft/windows_10_1809
< 10.0.17763.1999
microsoft/windows_10_1909
< 10.0.18363.1621
microsoft/windows_10_2004
< 10.0.19041.1052
microsoft/windows_10_20h2
< 10.0.19042.1052
microsoft/windows_10_21h1
< 10.0.19043.1052
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
... and 8 more
Published
Jun 08, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026