PT SWARM: “📞 Microsoft fixed an authenticated RCE in Windows Telephony Service (…” · TGViewer

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PT SWARM @ptswarm · 7.51K subscribers

Post #244 6.92K Jan 19, 2026, 13:04 UTC

📞 Microsoft fixed an authenticated RCE in Windows Telephony Service (CVE-2026-20931), discovered by our researcher Sergey Bliznyuk.

Read the write-up: https://swarm.ptsecurity.com/whos-on-the-line-exploiting-rce-in-windows-telephony-service/

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