CVE-2026-20931

HIGH

8.0

Description

External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.

Details CVE

Score CVSS v3.18.0

SeveriteHIGH

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

Vecteur d'attaqueADJACENT_NETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/13/2026

Derniere modification1/16/2026

Sourcenvd

Observations honeypot0

Produits affectes

microsoft:windows_10_1607microsoft:windows_10_1809microsoft:windows_10_21h2microsoft:windows_10_22h2microsoft:windows_11_23h2microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2008microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Faiblesses (CWE)

CWE-73

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20931(secure@microsoft.com)

Correlations IOC

Aucune correlation enregistree

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