CVE-2026-62748
Windows Telephony Service Elevation of Privilege vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-62748
- Affected products
- Windows Telephony Service Elevation of Privilege · Microsoft Windows Telephony Service Elevation of Privilege · Microsoft
What happened
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Telephony Service Elevation of Privilege vulnerability (CVE-2026-62748) was added to Microsoft’s security update guidance. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Sources
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