CVE-2026-83846

7.0High

Published 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash

7.0High

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-416

Impact

A local attacker with an existing account can escalate privileges to execute code with elevated rights. They require local access to run an exploit targeting the service.

Root cause

A use-after-free flaw in the Connected Devices Platform Service (Cdpsvc) mishandles memory during local requests.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the latest Microsoft security update addressing this issue. If patching must wait, stop and disable the Connected Devices Platform Service (CDPUserSvc / CDPSvc) on affected hosts.

shell

$ powershell -Command "Stop-Service -Name CDPSvc -Force; Set-Service -Name CDPSvc -StartupType Disabled"

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83846

Source: nvd.nist.gov/vuln/detail/CVE-2026-83846