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CVE-2017-6517

CRITICAL

Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded by Skype. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge.The specific flaw exists within the handling of DLL (api-ms-win-core-winrt-string-l1-1-0.dll) loading by the Skype.exe process.

Published: Mar 23, 2017 Modified: Jun 17, 2026
CWE-427

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
microsoft skype 7.16.0.102

GitHub Security Advisory GHSA-jwp2-53m7-g9fp

Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated, remote...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 46.34%

Top 1% most likely to be exploited

Threat Score 53.1 / 100

Data Sources

NVD EPSS GitHub