CVE-2024-20690 — Windows Nearby Sharing Spoofing Vulnerability

Executive Summary

None

Overview

6.5

CVSS MEDIUM

Important

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Spoofing

Released Jan 9 2024

Last Updated Jan 9 2024

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.01325 — 0.67239 percentile

NVD CVSS 6.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C

ATTACK VECTOR

Network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

CONFIDENTIALITY

None

INTEGRITY

High

AVAILABILITY

None

EXPLOIT CODE MATURITY

Proof-of-Concept

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 5.9

EPSS Score

0.01325

probability of exploitation in the next 30 days

0.67239 percentile - updated 2026-06-21

View on FIRST.org

Affected Products

15 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 Version 1809 for 32-bit Systems	`5034127 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 1809 for ARM64-based Systems	`5034127 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 1809 for x64-based Systems	`5034127 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 21H2 for 32-bit Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 21H2 for ARM64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 21H2 for x64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for 32-bit Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for ARM64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for x64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 11 version 21H2 for ARM64-based Systems	`5034121 (Security Update)`	Important	Spoofing	Yes
Windows 11 version 21H2 for x64-based Systems	`5034121 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 22H2 for ARM64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 22H2 for x64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 23H2 for ARM64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 23H2 for x64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes

Patches

4 patches

Article	Type	Restart
`5034127`	Security Update	Yes
`5034122`	Security Update	Yes
`5034121`	Security Update	Yes
`5034123`	Security Update	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

Crypto Board

References

MSRC Advisory MITRE NVD