CVE-2023-21739

highpriority · track · 10EPSS 0.006 · 47 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.58% (47th) EPSS

CVSS 7 · high

Is it mine?

94 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

Windows Bluetooth Driver Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.5648:Security Update:https://support.microsoft.com/help/5022289
https://support.microsoft.com/help/5022289
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.5648:Security Update:https://support.microsoft.com/help/5022289
https://support.microsoft.com/help/5022289
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.3887:Security Update:https://support.microsoft.com/help/5022286
https://support.microsoft.com/help/5022286
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.3887:Security Update:https://support.microsoft.com/help/5022286
https://support.microsoft.com/help/5022286
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.3887:Security Update:https://support.microsoft.com/help/5022286
https://support.microsoft.com/help/5022286
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.2486:Security Update:https://support.microsoft.com/help/5022282
https://support.microsoft.com/help/5022282
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19685:Security Update:https://support.microsoft.com/help/5022297
https://support.microsoft.com/help/5022297
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19685:Security Update:https://support.microsoft.com/help/5022297
https://support.microsoft.com/help/5022297
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.1105:Security Update:https://support.microsoft.com/help/5022303
https://support.microsoft.com/help/5022303
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.1105:Security Update:https://support.microsoft.com/help/5022303
https://support.microsoft.com/help/5022303
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.1455:Security Update:https://support.microsoft.com/help/5022287
https://support.microsoft.com/help/5022287
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.1455:Security Update:https://support.microsoft.com/help/5022287
https://support.microsoft.com/help/5022287
FixedWindows 8.1 for 32-bit systemsmsrc_csaf
6.3.9600.20778:Security Only:https://support.microsoft.com/help/5022346
https://support.microsoft.com/help/5022346
FixedWindows 8.1 for x64-based systemsmsrc_csaf
6.3.9600.20778:Security Only:https://support.microsoft.com/help/5022346
https://support.microsoft.com/help/5022346
FixedWindows RT 8.1msrc_csaf
6.3.9600.20778:Security Only:https://support.microsoft.com/help/5022346
https://support.microsoft.com/help/5022346

cvss

Technical severity, 0–10. One row per scoring source.

7.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1 · impact 5.9

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1 · impact 5.9

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USCWE-591USCWE-591US

exploits (1)

Public proof-of-concept and weaponised exploit code.

gmh5225/CVE-2023-21739Windows Bluetooth Driver Elevation of Privilege Vulnerability. CVE project by @Sn0wAlicePoC · poc_in_github

affected products (94)

Products and version ranges known to be affected.

Hitachi Storageall versionscert_bundDEcpe:/h:hitachi:storage:-
Microsoft Windows 10 Version 1607all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1607
Microsoft Windows 10 Version 1809all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1809
Microsoft Windows 10 Version 20H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_20h2
Microsoft Windows 10 Version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_21h2
Microsoft Windows 10 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_22h2
Microsoft Windows 10 Windows Terminalall versionscert_bundDEcpe:/o:microsoft:windows_10:windows_terminal
Microsoft Windows 11 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_22h2
Microsoft Windows 11 version 21H2all versionscert_bundDE
Microsoft Windows 7 SP1all versionscert_bundDEcpe:/o:microsoft:windows_7:-:sp1
Microsoft Windows 8.1all versionscert_bundDEcpe:/o:microsoft:windows_8.1:-
Microsoft Windows RT 8.1all versionscert_bundDEcpe:/o:microsoft:windows_rt_8.1:-
Microsoft Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/o:microsoft:windows_server_2008_r2:sp_1
Microsoft Windows Server 2008 SP2all versionscert_bundDEcpe:/o:microsoft:windows_server_2008:sp2:x64
Microsoft Windows Server 2012all versionscert_bundDEcpe:/o:microsoft:windows_server_2012:-
Microsoft Windows Server 2012 R2all versionscert_bundDEcpe:/o:microsoft:windows_server_2012_r2:-
Microsoft Windows Server 2016all versionscert_bundDEcpe:/o:microsoft:windows_server_2016:-
Microsoft Windows Server 2019all versionscert_bundDEcpe:/o:microsoft:windows_server_2019:-
Microsoft Windows Server 2022all versionscert_bundDEcpe:/o:microsoft:windows_server_2022:-
Microsoft Windows 11≤ version 21H2cert_bundDE

showing 20 of 94

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0055Microsoft Windows und Microsoft Windows Server: Mehrere SchwachstellenDeutsch2023-01-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern und einen Denial-of-Service-Zustand auszulösen.
msrc_CVE-2023-21739Windows Bluetooth Driver Elevation of Privilege Vulnerability2023-01-10csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-01-10modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan