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."
Published Apr 14, 2015 ·Due Aug 10, 2022
9.8
CRITICALCVSS 3.1
EPSS 100.00%
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 products
No data.
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- r2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
Date Added
Feb 10, 2022
Patch Due
Aug 10, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 10, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 100.00% (0.99999) | 100.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 100.00% (0.99999) | 100.00th | v5 (v2026.06.15) |
| Mar 17, 2025 | 94.31% (0.94310) | 99.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.54% (0.97538) | 100.00th | v3 (v2023.03.01) |
| Feb 29, 2024 | 97.54% (0.97537) | 99.99th | v3 (v2023.03.01) |
| Dec 20, 2023 | 97.54% (0.97544) | 100.00th | v3 (v2023.03.01) |
| Nov 7, 2023 | 97.56% (0.97559) | 100.00th | v3 (v2023.03.01) |
| Jul 15, 2023 | 97.55% (0.97553) | 99.99th | v3 (v2023.03.01) |
| May 8, 2023 | 97.56% (0.97560) | 100.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.55% (0.97550) | 99.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 93.78% (0.93779) | 99.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 93.78% (0.93779) | 99.93th | v2 (v2022.01.01) |
References (8)
- http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.osvdb.org/120629 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/74013 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1032109 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1635 government-resourceUS Government Resource
- https://www.exploit-db.com/exploits/36773/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/36776/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.osvdb.org/120629 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://www.securityfocus.com/bid/74013 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1032109 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1635 | government-resourceUS Government Resource | |
| https://www.exploit-db.com/exploits/36773/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/36776/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.