CVEvulnerability
CVE-2018-8440
CISA Known Exploited Vulnerability
Microsoft Windows Privilege Escalation Vulnerability — Microsoft Windows
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).
- Added to KEV
- 2022-03-28
- Remediation due
- 2022-04-18
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2018-8440
- Status
- Analyzed
- Published
- 2018-09-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Description
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Affected configurations
• microsoft windows 10 1607
• microsoft windows 10 1703
• microsoft windows 10 1709
• microsoft windows 10 1803
• microsoft windows 7
• microsoft windows 8.1
• microsoft windows rt 8.1
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016
References
- http://www.securityfocus.com/bid/105153 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041578 Third Party Advisory, VDB Entry
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html Exploit, Patch, Third Party Advisory
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440 Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105153 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041578 Third Party Advisory, VDB Entry
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html Exploit, Patch, Third Party Advisory
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8440 US Government Resource