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Findings

CVE-2015-1635

Microsoft HTTP.sys Remote Code Execution Vulnerability

Published Apr 14, 2015 · updated Jun 16, 2026 · microsoft windows 7

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."

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2015 · Catalog

    Detected

    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."

  2. Feb 10, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Aug 10, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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."

Required action

Apply updates per vendor instructions.

CISA due date Aug 10, 2022

Affected

  • cpe microsoft/windows 7version unspecified
  • cpe microsoft/windows 8version unspecified
  • cpe microsoft/windows 8.1version unspecified
  • cpe microsoft/windows server 2008r2
  • cpe microsoft/windows server 2012version unspecified
  • cpe microsoft/windows server 2012r2
  • vendor Microsoft HTTP.sysversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2015-1635

    Microsoft HTTP protocol stack (HTTP.sys) contains a vulnerability that allows for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2015-1635

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-1635

    30-day exploitation probability 100.0%

    first.org
  • Exploit DatabasePublic exploit reference36773

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference36776

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleauxiliary_dos/http/ms15_034_ulonglongadd

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • Metasploit ModulesPublic exploit moduleauxiliary_scanner/http/ms15_034_http_sys_memory_dump

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2015-1635

    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."

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References