EUVD-2026-73014
GHSA-66fp-4p5x-jc8w
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L and PR:L reflect local authenticated access; AC:H reflects memory-layout/timing prerequisites; full C/I/A:H reflects SYSTEM-level impact upon successful exploitation with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
7DescriptionCVE.org
Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
Articles & Coverage 1
AnalysisAI
Local privilege escalation in the Windows Virtual Hard Disk (VHD) Miniport Driver allows an authenticated low-privilege user to gain SYSTEM-level access across a wide range of Windows 10, Windows 11, and Windows Server versions via an out-of-bounds read (CWE-125) in the kernel-mode driver. The vulnerability spans over a dozen currently-supported Windows releases including Server 2019, 2022, and 2025. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated local user account with at least standard (low-privilege) access on the target system (PR:L, AV:L per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 score with vector AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H reflects an authentic local privilege escalation pathway with important limiting factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply Microsoft's released patches via Windows Update or the Microsoft Update Catalog targeting the fixed build for each affected release: Windows Server 2025 to build ≥10.0.26100.33438, Windows Server 2022 to ≥10.0.20348.5622, Windows Server 2019 to ≥10.0.17763.9245, Windows 10 21H2 to ≥10.0.19044.7725, Windows 10 22H2 to ≥10.0.19045.7725, Windows 11 23H2 to ≥10.0.22631.7582, Windows 11 24H2 to ≥10.0.26100.9445, Windows 11 25H2 to ≥10.0.26200.9445, and Windows 11 26H1 to ≥10.0.28000.2954. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and prioritize all Windows 10, 11, Server 2019, 2022, and 2025 systems in your environment, particularly those running shared service accounts or accessible to multiple users. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
Windows Win32k fails to properly handle objects in memory, allowing local privilege escalation exploited in the wild in
A privilege escalation vulnerability (CVSS 5.5). Risk factors: actively exploited (KEV-listed), EPSS 94% exploitation pr
Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attacker
Twonky Server 8.5.2 on Linux and Windows allows unauthenticated access to the admin log file through a web service API b
An unrestricted file upload vulnerability exists in MiniWeb HTTP Server <= Build 300 that allows unauthenticated remote
FreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbit
Serviio Media Server versions 1.4 through 1.8 on Windows contain an unauthenticated command injection in the /rest/actio
Twonky Server 8.5.2 uses hard-coded cryptographic keys for encrypting the administrator password. Combined with the cred
Mako Server versions 2.5 and 2.6 contain an unauthenticated OS command injection via the tutorial interface at examples/
React Native Metro Development Server binds to external interfaces by default and contains an OS command injection endpo
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network
Same weakness CWE-125 – Out-of-bounds Read
View allShare
External POC / Exploit Code
Leaving vuln.today