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MICROSOFT-CVE-2026-34338 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceMICROSOFT-CVE-2026-34338

MICROSOFT-CVE-2026-34338

HIGH7.8

Windows Telephony Service Elevation of Privilege Vulnerability

Published May 7, 2026

Modified 1 weeks ago

Details

Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34338

CVSS Analysis

CVSS v2.0

7.8

Upstream

Ecosystems

Timeline

PublishedMay 7, 2026

ModifiedMay 7, 2026