CVEs / CVE-2015-1635
CVE-2015-1635: Microsoft HTTP.sys Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 10 Feb 2022
- high 10 CVSS 2.0 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft HTTP protocol stack (HTTP.sys) contains a vulnerability that allows for remote code execution.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 10 Feb 2022 |
|---|---|
| Due date for US federal agencies | 10 Aug 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 2.0 | 10 highAV:N/AC:L/Au:N/C:C/I:C/A:CScored by NVD |
|---|---|
| Weakness | CWE-94 |
References
- CVE-2015-1635 on NVD
- CVE-2015-1635 in the CISA KEV catalog
- http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html Exploit, Third Party Advisory, VDB Entry
- http://www.osvdb.org/120629 Broken Link
- http://www.securityfocus.com/bid/74013 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1032109 Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034 Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/36773/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/36776/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1635 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.