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Vulnerability record · CVE-2015-1716 · published 13 May 2015

CVE-2015-1716: Microsoft windows 7 information exposure vulnerability

Microsoft · Windows 7

Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict Diffie-Hellman Ephemeral (DHE) key lengths, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors, aka "Schannel Information Disclosure Vulnerability."

5.0 CVSS 2.0 Medium EPSS 21% · top 2.5% CWE-200 · Information exposure
5.0CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict Diffie-Hellman Ephemeral (DHE) key lengths, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors, aka "Schannel Information Disclosure Vulnerability."

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/74489 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032283 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-055 PatchVendor Advisory
http://www.securityfocus.com/bid/74489 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032283 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-055 PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-1716), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.