Is CVE-2023-21739 in the CISA KEV catalog?

No. CVE-2023-21739 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-21739?

CVE-2023-21739 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2023-21739?

CVE-2023-21739 has an EPSS score of 0.56% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-21739?

Install KB5022297 for Windows 10. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2023-21739

HIGH

7.0

CVSS v3

NVD

Description

Windows Bluetooth Driver Elevation of Privilege Vulnerability

CWE-591

How to fix

Remediation Available

Windows 10Windows

Install:KB5022297Microsoft

Windows 10 Version 1607Windows

Install:KB5022289Microsoft

Windows 10 Version 1809Windows

Install:KB5022286Microsoft

Windows 10 Version 20H2Windows

Install:KB5022282Microsoft

Windows 10 Version 21H2Windows

Install:KB5022282Microsoft

Windows 10 Version 22H2Windows

Install:KB5022282Microsoft

Windows 11 Version 22H2Windows

Install:KB5022303Microsoft

Windows 11 version 21H2Windows

Install:KB5022287Microsoft

Windows 8.1Windows

Install:KB5022352Microsoft

Install:KB5022346Microsoft

Windows RT 8.1Windows

Install:KB5022346Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.56%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch1

msrc.microsoft.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.