CVE-2018-8589

Known Exploited

Description

An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 5.27% Top 15%

KEV Since

Vendor Advisory microsoft.com

Affected: Microsoft Windows Server 2008

Affected: Microsoft Windows 7

Affected: Microsoft Windows Server 2008 R2

References

Link	Tags
http://www.securityfocus.com/bid/105796	vdb entry third party advisory broken link
http://www.securitytracker.com/id/1042140	vdb entry third party advisory broken link
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8589?: CVE-2018-8589 has been scored as a high severity vulnerability.
How to fix CVE-2018-8589?: To fix CVE-2018-8589, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-8589 being actively exploited in the wild?: It is confirmed that CVE-2018-8589 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8589?: CVE-2018-8589 affects Microsoft Windows Server 2008, Microsoft Windows 7, Microsoft Windows Server 2008 R2.

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