Unknown [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.
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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.
- 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 hours 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 hours 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 hours ago·verify at source
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