EUVD-2026-56633
GHSA-224x-2f64-p5qh
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local standard-user access (PR:L, AV:L) is required per description; no interaction needed; full C/I/A impact from SYSTEM-level compromise is expected.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
AnalysisAI
Heap-based buffer overflow in the Windows Device Association Service allows a locally authenticated, low-privileged attacker to escalate to SYSTEM-level privileges across a broad range of Windows desktop and server releases. Affected versions span Windows 10 1607 through Windows 11 25H2 and Windows Server 2016 through 2025, making this a high-coverage local privilege escalation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid local user account with at minimum standard (non-administrator) privileges on the target system - the CVSS vector PR:L confirms this prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects a local, low-complexity attack requiring only a standard user account, with full confidentiality, integrity, and availability impact - consistent with achieving SYSTEM-level code execution. … 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 vendor-released patches from Microsoft as detailed in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62710. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify and inventory all Windows 10, 11, and Server 2016-2025 systems across your environment using asset management tools. …
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External POC / Exploit Code
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