What’s Vulnerable › Vulnerabilities

CVE-2015-6111

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-11-11 · updated 2026-06-17
• Weakness: CWE-399

Description

IPSec in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 Gold and 1511 mishandles encryption negotiation, which allows remote authenticated users to cause a denial of service (system hang) via crafted IP traffic, aka "Windows IPSec Denial of Service Vulnerability."

Affected products

• Microsoft Windows 10 Version 1607: 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 2012: r2

References

• http://www.securitytracker.com/id/1034123
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-120
• http://www.securitytracker.com/id/1034123
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-120

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