CVE-2025-49683

Microsoft Virtual Hard Disk Remote Code Execution Vulnerability

Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.

Affected

Microsoft · Windows 10 Version 1507 · Windows 10 Version 1607 · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 22H2

CVSS v3.1 MICROSOFT

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

2.06% chance of exploitation in the next 30 days, 81st percentile

Published

2025-07-08

Updated

2026-02-13

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52394

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49683

References

• CVE Record
• NVD entry