CVE-2025-62458: Win32k Elevation of Privilege Vulnerability
Published Dec 9, 2025
·Updated
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Other sources
Win32k Elevation of Privilege Vulnerability
— Microsoft
Affected Software
37 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows 10=22H2
Microsoft Windows Server 2008 R2
Microsoft Windows 10=1607
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2016
Microsoft Windows 11=23H2
Microsoft Windows 11=23H2
Microsoft Windows 10=22H2
Microsoft Windows Server 2016
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=22H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=1809
Microsoft Windows 10=21H2
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10 1607<10.0.14393.8688
Microsoft Windows 10 1607<10.0.14393.8688
Microsoft Windows 10 1809<10.0.17763.8146
Microsoft Windows 10 1809<10.0.17763.8146
Microsoft Windows 10 21h2<10.0.19044.6691
Microsoft Windows 10 22h2<10.0.19045.6691
Microsoft Windows 11 23h2<10.0.22631.6345
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.8688
Microsoft Windows Server 2019<10.0.17763.8146
Microsoft Windows Server 2022<10.0.20348.4467
Event History
Dec 9, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·05:55 PM
Data Sourced
via MITRE·05:55 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-62458?
CVE-2025-62458 is classified as a critical privilege escalation vulnerability.
2
How do I fix CVE-2025-62458?
To fix CVE-2025-62458, apply the latest security patches provided by Microsoft for the affected Windows products.
3
What products are affected by CVE-2025-62458?
CVE-2025-62458 affects multiple versions of Windows, including Windows Server 2008 R2, Windows Server 2012, and Windows 10.
4
Who can exploit CVE-2025-62458?
An authorized attacker with local access can exploit CVE-2025-62458 to elevate their privileges.
5
What is the impact of CVE-2025-62458?
The impact of CVE-2025-62458 allows attackers to execute arbitrary code and gain administrative privileges on affected systems.