CVE-2026-20931

moderate-risk
Published 2026-01-13

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

Do I need to act?

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0.79% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.0/10 High
ADJACENT_NETWORK / LOW complexity

Affected Vendors

47
/ 100
moderate-risk
Severity 25/34 · High
Exploitability 3/34 · Minimal
Exposure 19/34 · Moderate