Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2025-49683 — Heap-based Buffer Overflow in Microsoft Windows 10 Version 1507

CWE-122 — Heap-based Buffer OverflowCWE-190 — Integer Overflow or Wraparound5 documents5 sources
Severity
7.8HIGHNVD
EPSS
1.1%
top 22.30%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
27
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+24 more
Timeline
PublishedJul 8
Latest updateAug 3

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages26 packages

▶NVDmicrosoft/windows< 10.0.14393.8246+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.21073
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8246
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7558
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6093

🔴Vulnerability Details

2
GHSA
GHSA-f9pq-9wpv-v9jh: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally↗2025-07-08
▶
CVEList
Microsoft Virtual Hard Disk Remote Code Execution Vulnerability↗2025-07-08
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft Virtual Hard Disk (VHDX) 11 - Remote Code Execution (RCE)↗2025-08-03
▶

📋Vendor Advisories

1
Microsoft
Microsoft Virtual Hard Disk Remote Code Execution Vulnerability↗2025-07-08
▶
CVE-2025-49683 — Heap-based Buffer Overflow | cvebase