CVE-2025-49683Microsoft Virtual Hard Disk Remote Code Execution Vulnerability
- 7.8HighCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Microsoft Virtual Hard Disk (VHDX) 11 - Remote Code Execution (RCE) (Exploit-DB entry) (opens in a new tab)
EDB-ID 52394local, windowspublished 3 Aug 2025Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 29 days later
· 29 days later
Published
- 7 months later
· 7 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Microsoft · Windows 10 Version 1507
- affected 10.0.10240.0 – < 10.0.10240.21073
Microsoft · Windows 10 Version 1607
- affected 10.0.14393.0 – < 10.0.14393.8246
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.7558
Microsoft · Windows 10 Version 21H2
- affected 10.0.19044.0 – < 10.0.19044.6093
Microsoft · Windows 10 Version 22H2
- affected 10.0.19045.0 – < 10.0.19045.6093
Microsoft · Windows 11 version 22H2
- affected 10.0.22621.0 – < 10.0.22621.5624
Microsoft · Windows 11 version 22H3
- affected 10.0.22631.0 – < 10.0.22631.5624
Microsoft · Windows 11 Version 23H2
- affected 10.0.22631.0 – < 10.0.22631.5624
Microsoft · Windows 11 Version 24H2
- affected 10.0.26100.0 – < 10.0.26100.4652
Microsoft · Windows Server 2008 R2 Service Pack 1
- affected 6.1.7601.0 – < 6.1.7601.27820
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- affected 6.1.7601.0 – < 6.1.7601.27820
Microsoft · Windows Server 2008 Service Pack 2
- affected 6.0.6003.0 – < 6.0.6003.23418
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)
- affected 6.0.6003.0 – < 6.0.6003.23418
Microsoft · Windows Server 2012
- affected 6.2.9200.0 – < 6.2.9200.25573
Microsoft · Windows Server 2012 (Server Core installation)
- affected 6.2.9200.0 – < 6.2.9200.25573
Microsoft · Windows Server 2012 R2
- affected 6.3.9600.0 – < 6.3.9600.22676
Microsoft · Windows Server 2012 R2 (Server Core installation)
- affected 6.3.9600.0 – < 6.3.9600.22676
Microsoft · Windows Server 2016
- affected 10.0.14393.0 – < 10.0.14393.8246
Microsoft · Windows Server 2016 (Server Core installation)
- affected 10.0.14393.0 – < 10.0.14393.8246
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.7558
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.7558
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.3932
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)
- affected 10.0.25398.0 – < 10.0.25398.1732
Microsoft · Windows Server 2025
- affected 10.0.26100.0 – < 10.0.26100.4652
Microsoft · Windows Server 2025 (Server Core installation)
- affected 10.0.26100.0 – < 10.0.26100.4652
References
References1
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-20567 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-49683)Record last updated .