Is CVE-2015-1635 actively exploited?

CVE-2015-1635 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2015-1635?

CVE-2015-1635 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2015-1635?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-1635.

Fix CVE-2015-1635 - CRITICAL microsoft windows 7

Q: Which products are affected by CVE-2015-1635?

7 products: microsoft windows 7, microsoft windows 8, microsoft windows 8.1, microsoft windows server 2008, microsoft windows server 2008, and 2 more.

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."

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-94 · Code Injection CWE-94 · Code Injection

Metadata

Primary Vendor: MICROSOFT
Published: 4/14/2015
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : windows_7microsoft : windows_8microsoft : windows_8.1microsoft : windows_server_2008microsoft : windows_server_2008microsoft : windows_server_2012microsoft : windows_server_2012

Remediation Guidance

Executive Summary

View on NIST NVD