CVE-2025-59255: Windows DWM Core Library Elevation of Privilege Vulnerability
Published Oct 14, 2025
·Updated
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Other sources
Windows DWM Core Library Elevation of Privilege Vulnerability
— Microsoft
Affected Software
35 affected componentsFixes available
Microsoft Windows 11=24H2
Microsoft Windows 11=24H2
Microsoft Windows 11=23H2
Microsoft Windows 11=25H2
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2025
Microsoft Windows 11=23H2
Microsoft Windows 11=25H2
Microsoft Windows Server 2025
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10=1809
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10 1809<10.0.17763.7919
Microsoft Windows 10 1809<10.0.17763.7919
Microsoft Windows 10 21h2<10.0.19044.6456
Microsoft Windows 10 22h2<10.0.19045.6456
Microsoft Windows 11 22h2<10.0.22621.6060
Microsoft Windows 11 23h2<=10.0.22631.6060
Microsoft Windows 11 24h2<10.0.26100.6899
Microsoft Windows 11 25h2<10.0.26200.6899
Microsoft Windows Server 2019<10.0.17763.7919
Microsoft Windows Server 2022<10.0.20348.4294
Microsoft Windows Server 2022 23h2<10.0.25398.1913
Microsoft Windows Server 2025<=10.0.26100.6899
Event History
Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-59255?
CVE-2025-59255 is categorized as a critical elevation of privilege vulnerability.
2
How do I fix CVE-2025-59255?
To address CVE-2025-59255, apply the latest security updates and patches provided by Microsoft.
3
Which versions of Windows are affected by CVE-2025-59255?
CVE-2025-59255 affects Microsoft Windows 11, Windows Server 2025, and various Windows 10 and Windows Server 2022 versions.
4
Can CVE-2025-59255 be exploited remotely?
No, CVE-2025-59255 requires local access for an attacker to exploit the vulnerability.
5
Who is at risk from CVE-2025-59255?
Authorized users on affected systems are at risk of privilege escalation due to CVE-2025-59255.