high7.8Public exploit code
CVE-2019-1089
An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows 10 1903/1809 - RPCSS Activation Kernel Security Callback Privilege Escalation2019-07-18 · local · windows · Verified
Impact
An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 | All versions Versions 1607, 1703, 1709, 1803, 1809 |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2008 | All versions Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | All versions Versions 1803, 1903 |
| Microsoft | Windows Server 2019 | All versions |
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/153683/Microsoft-Windows-RPCSS-Activation-Kernel-Security-Callback-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089
- http://packetstormsecurity.com/files/153683/Microsoft-Windows-RPCSS-Activation-Kernel-Security-Callback-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089