CVE Watchtower

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CVE-2015-1635NVD

Vulnerability Summary

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."
Severity Level
CRITICAL(9.8)
Published Date
Apr 14, 2015
Last Modified
Apr 22, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
94.31%Probability
Root Weakness (CWE)
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 7
  • Microsoft Windows 8
  • Microsoft Windows 8.1
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2012
Patched Versions
Not provided by NVD for this CVE.
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💬Webhooks — Slack & Teams integration.
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