CVE-2026-88133

7.8High

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

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-59

Impact

A local attacker with standard user access can elevate privileges to SYSTEM. They need existing execution permissions or an interactive local session on the machine first.

Root cause

Improper link resolution (symlink/path traversal) and improper authorization in the Windows Portable Device Enumerator Service allow file operation redirection.

Affected systems

Versions not listed — check the vendor advisory.

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

Fix & remediation

Install the Microsoft security update for CVE-2026-88133 once available from MSRC. As an interim mitigation, stop and disable the Windows Portable Device Enumerator Service (WPDBusEnum).

shell

$ Stop-Service -Name WPDBusEnum -Force; Set-Service -Name WPDBusEnum -StartupType Disabled

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

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NVD description

Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88133

Source: nvd.nist.gov/vuln/detail/CVE-2026-88133