EUVD-2026-72971
GHSA-854f-7jr7-f78x
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Vendor-confirmed network vector and PR:L match 'authorized attacker over network'; UI:R reflects required victim interaction; all three impact dimensions reach High due to kernel-level privilege escalation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Heap-based buffer overflow in the Windows USB Video Driver enables a network-adjacent, low-privileged authenticated attacker to escalate privileges to SYSTEM-level on affected Windows hosts. The vulnerability spans a wide swath of the Windows ecosystem, from legacy Server 2012 through current Server 2025 and Windows 11 26H1, making it a broad enterprise patching obligation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires: (1) the attacker holds a low-privileged account on or with network access to the target system (PR:L); (2) some form of user interaction must occur (UI:R), most plausibly a victim connecting a USB video device or accepting a USB-redirected session; (3) the Windows USB Video Driver is exposed over a network path, which in practice means the host is configured for RDP/RemoteFX USB device redirection or USB-over-IP functionality. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 8.0 vector (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H) places this in high-severity territory. … 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 the Microsoft-released security updates corresponding to the installed Windows build. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and prioritize all Windows systems running affected versions (Server 2012-2025, Windows 11 26H1), with focus on production servers and critical infrastructure. …
Sign in for detailed remediation steps and compensating controls.
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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