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CVE-2015-1635

Known Exploited (CISA KEV)CRITICAL

9.8

CVSS Severity Score

EPSS Score46.6400%

EPSS Percentile86.02th

PublishedApr 14, 2015

Last ModifiedApr 22, 2026

Vulnerability Description

HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted HTTP requests, aka "HTTP.sys Remote Code Execution Vulnerability."

Affected Platforms (CPE)

💻

Microsoft

Windows 7

All versions

💻

Microsoft

Windows 8

All versions

💻

Microsoft

Windows 8.1

All versions

💻

Microsoft

Windows Server 2008

= r2

💻

Microsoft

Windows Server 2008

= r2

💻

Microsoft

Windows Server 2012

All versions

💻

Microsoft

Windows Server 2012

= r2

References & Advisories

🔗 http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html

🔗 http://www.osvdb.org/120629

🔗 http://www.securityfocus.com/bid/74013

🔗 http://www.securitytracker.com/id/1032109

🔗 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034

🔗 https://www.exploit-db.com/exploits/36773/

🔗 https://www.exploit-db.com/exploits/36776/

🔗 http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html

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