EUVD-2026-72986
GHSA-v5j9-8wp4-79hh
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only attack requiring a standard user session and high-complexity race-condition exploit; full C/I/A reflects kernel-level SYSTEM privileges post-exploitation with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.
AnalysisAI
Use-after-free in the Windows Human Interface Devices kernel subsystem allows a local, low-privileged user to escalate to SYSTEM-level control. Affecting virtually all current Windows desktop and server releases - Windows 10 (1607 through 22H2), Windows 11 (23H2 through 26H1), Windows Server 2016 through 2025 - successful exploitation requires local session access and precise timing but yields full C:H/I:H/A:H kernel impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have an interactive local or Remote Desktop session on the targeted Windows system (AV:L), authenticated with at minimum a standard low-privilege user account (PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 score accurately reflects the constrained attack path: AV:L limits the attack to users already on the machine, PR:L requires at minimum a standard domain or local account, and AC:H indicates the exploit is not push-button - almost certainly a kernel race condition needing precise timing. … 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 monthly security update for the specific Windows build in use, available via Windows Update, WSUS, Microsoft Update Catalog, or Intune. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, obtain patch information from Microsoft security advisories and inventory all Windows 10 (versions 1607-22H2), Windows 11 (23H3-26H1), and Windows Server 2016-2025 systems in production. …
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Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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