High severity7.0NVD Advisory· Published Aug 19, 2026

CVE-2026-62727

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

Affected products

Microsoft/Windows Telephony Servicellm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62727nvd

News mentions

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ransomware	0.000