CVE-2019-1089

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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'.

References

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

Details

Source: MITRE

Published: 2019-07-15

Updated: 2020-08-24

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Tenable Plugins

View all (11 total)

IDNameProductFamilySeverity
126579KB4507469: Windows 10 Version 1809 and Windows Server 2019 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126578KB4507464: Windows Server 2012 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126577KB4507460: Windows 10 Version 1607 and Windows Server 2016 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126576KB4507458: Windows 10 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126575KB4507455: Windows 10 Version 1709 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126574KB4507453: Windows 10 Version 1903 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126573KB4507461: Windows Server 2008 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126572KB4507450: Windows 10 Version 1703 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126571KB4507456: Windows 7 and Windows Server 2008 R2 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126570KB4507457: Windows 8.1 and Windows Server 2012 R2 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126569KB4507435: Windows 10 Version 1803 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high