CVE-2025-49683 Microsoft Virtual Hard Disk Remote Code Execution Vulnerability
An integer overflow in the Virtual Hard Disk component allows an attacker to execute code locally on affected Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-49683?
CVE-2025-49683 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 8 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.
Which versions are affected by CVE-2025-49683?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.
How do I fix CVE-2025-49683?
No fix has been published for CVE-2025-49683 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-49683 being exploited?
There is no known exploitation of CVE-2025-49683 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-f9pq-9wpv-v9jh.