CVE-2025-49683: Microsoft Virtual Hard Disk Remote Code Execution Vulnerability
Published Jul 8, 2025
·Updated
Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.
Other sources
Microsoft Virtual Hard Disk Remote Code Execution Vulnerability
— Microsoft
Affected Software
58 affected componentsFixes available
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
Microsoft Windows Server 2008
Microsoft Windows Server 2025
Microsoft Windows 10=1607
Microsoft Windows Server 2016
Microsoft Windows 10=1607
Microsoft Windows Server 2008
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows 11=24H2
Microsoft Windows 11=24H2
Microsoft Windows 11=23H2
Microsoft Windows 11=23H2
Microsoft Windows 10=22H2
Microsoft Windows Server 2025
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 11=22H2
Microsoft Windows 10=21H2
Microsoft Windows Server 2022
Microsoft Windows 11=22H2
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10 1507<10.0.10240.21073
Microsoft Windows 10 1507<10.0.10240.21073
Microsoft Windows 10 1607<10.0.14393.8246
Microsoft Windows 10 1607<10.0.14393.8246
Microsoft Windows 10 1809<10.0.17763.7558
Microsoft Windows 10 1809<10.0.17763.7558
Microsoft Windows 10 21h2<10.0.19044.6093
Microsoft Windows 10 22h2<10.0.19045.6093
Microsoft Windows 11 22h2<10.0.22621.5624
Microsoft Windows 11 23h2<10.0.22631.5624
Microsoft Windows 11 24h2<10.0.26100.4652
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.8246
Microsoft Windows Server 2019<10.0.17763.7558
Microsoft Windows Server 2022<10.0.20348.3932
Microsoft Windows Server 2022 23h2<10.0.25398.1732
Microsoft Windows Server 2025<10.0.26100.4652
Event History
Jul 8, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Updated
via Microsoft·07:00 AM
Description
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityWeaknessAffected Software
CVE Published
via MITRE·04:57 PM
Data Sourced
via MITRE·04:57 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Aug 3, 2025
Exploit Published
12:00 AM
Known Exploited
06:55 AM
Frequently Asked Questions
1
What is the severity of CVE-2025-49683?
CVE-2025-49683 is rated as critical due to the potential for remote code execution.
2
How can I mitigate CVE-2025-49683?
To mitigate CVE-2025-49683, apply the latest security patches provided by Microsoft for the affected systems.
3
Which systems are affected by CVE-2025-49683?
CVE-2025-49683 affects various versions of Windows Server, Windows 10, and Windows 11.
4
Is user interaction required for exploiting CVE-2025-49683?
No, CVE-2025-49683 can be exploited without requiring user interaction.
5
What types of attacks can CVE-2025-49683 facilitate?
CVE-2025-49683 can facilitate remote code execution attacks, allowing unauthorized access to system resources.