What’s Vulnerable › Vulnerabilities

CVE-2015-1716

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-05-13 · updated 2026-06-17
• Weakness: CWE-200

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."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows 8: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows Rt: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Vista: all versions

References

• http://www.securityfocus.com/bid/74489
• http://www.securitytracker.com/id/1032283
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-055
• http://www.securityfocus.com/bid/74489
• http://www.securitytracker.com/id/1032283
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-055

Get alerted when CVE-2015-1716 or the next vulnerability affects your stack