EUVD-2026-43952
GHSA-vchc-767x-pvw4
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local authenticated user (AV:L, PR:L) triggers a low-complexity range error in a privileged service for full SYSTEM compromise (C/I/A:H), scope unchanged.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Incorrect access of indexable resource ('range error') in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Sensor Data Service allows an authenticated low-privileged user to gain full SYSTEM-level control on affected Windows 10, Windows 11, and Windows Server (2019-2025) systems. The flaw stems from incorrect access to an indexable resource (a range/bounds error, CWE-118) and yields high confidentiality, integrity, and availability impact per the CVSS 7.8 vector. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to already possess authenticated low-privileged local access to the target (CVSS PR:L, AV:L) and the ability to execute code that interacts with the Windows Sensor Data Service on an affected Windows 10/11 or Windows Server 2019-2025 build; no user interaction is needed (UI:N) and attack complexity is low (AC:L). … 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, base 7.8) describes a realistic local elevation-of-privilege primitive: low attack complexity, only low existing privileges required, no user interaction, and full C/I/A impact within an unchanged scope. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has already obtained low-privileged local access - for example a standard domain user on a shared terminal server or a compromised limited service account - runs a crafted process that interacts with the Windows Sensor Data Service to trigger the out-of-bounds index condition. By exploiting the range error, the attacker manipulates the privileged service to execute code or corrupt state in a higher-privilege context, escalating to SYSTEM. … |
| Remediation | Patch available per vendor advisory: apply the Microsoft security update for CVE-2026-50367 delivered through the standard monthly cumulative update for your specific Windows build, as documented at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50367 (the exact fixed build number is enumerated there per SKU and was not included in this dataset, so verify the KB against your version). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows 10, 11, and Windows Server (2019-2025) systems in your environment and confirm patch availability from Microsoft's latest security advisory. …
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