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Windows Mobile Device Management

CVE-2021-43880 — Windows Mobile Device Management Elevation of Privilege Vulnerability

Important CVSS 5.5 EPSS 0.00656 📢 Publicly disclosed 2021-12 archive

Executive Summary

None

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Dec 14 2021
Last Updated Dec 14 2021
Publicly Disclosed Yes
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00656 — 0.46495 percentile
NVD CVSS 5.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.8

EPSS Score

0.00656
probability of exploitation in the next 30 days
0.46495 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Windows 11 version 21H2 for ARM64-based Systems 5008215 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5008215 (Security Update) Important Elevation of Privilege Yes

Patches

1 patch
Article Type Restart
5008215 Security Update Yes

Known Exploits

Acknowledgments

None

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