Advisory severityUnratedMicrosoft Server Exploited CISA KEV

Advisory [CVE-2018-8453] elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers

This security Microsoft Server advisory covers CVE-2018-8453 affecting Windows Server 2012 R2, Windows Server 2019, Windows Server 2016.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2018-8453 Source published Oct 10, 2018Source updated Aug 13, 2026

VulniPulse record published Aug 13, 2026

CVE-2018-8453

Affected products & platforms

Microsoft ServerWindows Server

Open source advisory

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Summary

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

CISA Known Exploited Vulnerability

Listed:: Jan 21, 2022 · federal remediation due Jul 21, 2022
Required action:: Apply updates per vendor instructions.
Ransomware use:: Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

Windows 7 32-bit Systems Service Pack 1
Windows 7 x64-based Systems Service Pack 1
Windows Server 2012 R2 (Server Core installation)
Windows RT 8.1 Windows RT 8.1
Windows Server 2008 32-bit Systems Service Pack 2
Windows Server 2008 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 Itanium-Based Systems Service Pack 2
Windows Server 2008 x64-based Systems Service Pack 2
Windows Server 2008 x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2019 (Server Core installation)
Windows Server 2012 (Server Core installation)
Windows 8.1 32-bit systems

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

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