Microsoft Bluetooth Driver
CVE-2021-31182 — Microsoft Bluetooth Driver Spoofing Vulnerability
Executive Summary
None
Overview
7.1
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Adjacent_network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.2
EPSS Score
0.00835
probability of exploitation in the next 30 days
0.52882 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
26 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5003172 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 for x64-based Systems | 5003172 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5003197 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5003197 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1803 for 32-bit Systems | 5003174 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1803 for ARM64-based Systems | 5003174 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1803 for x64-based Systems | 5003174 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5003171 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 5003171 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5003171 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1909 for 32-bit Systems | 5003169 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1909 for ARM64-based Systems | 5003169 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 1909 for x64-based Systems | 5003169 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 2004 for 32-bit Systems | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 2004 for ARM64-based Systems | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 2004 for x64-based Systems | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 5003233 (Monthly Rollup) 5003228 (Security Only) Important Spoofing 5001335 5001392 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.24597 6.1.7601.24598 Yes 5003233 5003228 Windows 7 for x64-based Systems Service Pack 1 5003233 (Monthly Rollup) 5003228 (Security Only) Important Spoofing 5001335 5001392 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.24597 6.1.7601.24598 Yes 5003233 5003228 Windows 8.1 for 32-bit systems 5003209 (Monthly Rollup) 5003220 (Security Only) Important Spoofing 5001382 5001383 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20017 Yes 5003209 5003220 Windows 8.1 for x64-based systems 5003209 (Monthly Rollup) 5003220 (Security Only) Important Spoofing 5001382 5001383 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20017 Yes 5003209 5003220 Windows RT 8.1 | 5003209 (Monthly Rollup) |
Important | Spoofing | Yes |
| Windows Server 2012 R2 5003209 (Monthly Rollup) 5003220 (Security Only) Important Spoofing 5001382 5001383 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20017 Yes 5003209 5003220 Windows Server 2012 R2 (Server Core installation) 5003209 (Monthly Rollup) 5003220 (Security Only) Important Spoofing 5001382 5001383 Base: 7.1 Temporal: 6.2 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C 6.3.9600.20017 Yes 5003209 5003220 Windows Server 2016 | 5003197 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2016 (Server Core installation) | 5003197 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2019 | 5003171 (Security Update) |
Important | Spoofing | Yes |
| Windows Server 2019 (Server Core installation) | 5003171 (Security Update) |
Important | Spoofing | Yes |
| Windows Server, version 1909 (Server Core installation) | 5003169 (Security Update) |
Important | Spoofing | Yes |
| Windows Server, version 2004 (Server Core installation) | 5003173 (Security Update) |
Important | Spoofing | Yes |
| Windows Server, version 20H2 (Server Core Installation) | 5003173 (Security Update) |
Important | Spoofing | Yes |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
5003172 |
Security Update | Yes |
5003197 |
Security Update | Yes |
5003174 |
Security Update | Yes |
5003171 |
Security Update | Yes |
5003169 |
Security Update | Yes |
5003173 |
Security Update | Yes |
5003209 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Nathaniel Theis from IOActive, Inc.
References
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