How severe is CVE-2024-21306?

CVE-2024-21306 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-21306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21306?

CVE-2024-21306 primarily affects Microsoft Windows 10 21h2. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21306 have an EU (EUVD) identifier?

Yes. CVE-2024-21306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19019.

When was CVE-2024-21306 published?

CVE-2024-21306 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2024-21306

CVE-2024-21306 is a medium-severity vulnerability in Microsoft Windows 10 21h2 with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19019
Weakness: CWE-306
Affected product: Microsoft Windows 10 21h2
Published: 2024-01-09
Last modified: 2026-06-17

Description

Microsoft Bluetooth Driver Spoofing Vulnerability

Frequently asked questions

What is CVE-2024-21306?: Microsoft Bluetooth Driver Spoofing Vulnerability
How severe is CVE-2024-21306?: CVE-2024-21306 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-21306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21306?: CVE-2024-21306 primarily affects Microsoft Windows 10 21h2. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21306 have an EU (EUVD) identifier?: Yes. CVE-2024-21306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19019.
When was CVE-2024-21306 published?: CVE-2024-21306 was published on 2024-01-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21306

Affected products (7)

cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

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