Description

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

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References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20931

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-73

CVSS impact metrics

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

8 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-01-13T18:16:20.003Z

3 days ago

Last modified

2026-01-16T15:06:39.857Z

3 hours ago