Who’s on the Line? Exploiting RCE in Windows Telephony Service
Summary
A flaw in the Windows Telephony Service's server mode lets a low-privileged client write arbitrary data to service-accessible files and, under certain conditions, achieve remote code execution.
- Published
- Collected
--- id: 5086 title: "Who’s on the Line? Exploiting RCE in Windows Telephony Service" source_domain: swarm.ptsecurity.com source_url: "https://swarm.ptsecurity.com/whos-on-the-line-exploiting-rce-in-windows-telephony-service/" published_at: "2026-01-19T13:00:59Z" tags: ["rce", "vulnerability-research", "windows", "telephony", "tapi"] phying_url: "https://phying.com/item/5086" lang: en --- # Who’s on the Line? Exploiting RCE in Windows Telephony Service ## Summary A flaw in the Windows Telephony Service's server mode lets a low-privileged client write arbitrary data to service-accessible files and, under certain conditions, achieve remote code execution. ## Intelligence Metadata - **Sources:** swarm.ptsecurity.com - **Published:** 2026-01-19T13:00:59Z - **Original:** https://swarm.ptsecurity.com/whos-on-the-line-exploiting-rce-in-windows-telephony-service/ - **Phying News:** https://phying.com/item/5086