7.0highHigh
CVE-2026-6387
A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, exploitation depends on conditions outside the attacker's control.
- To exploit it, an ordinary user account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.0 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H- CVSS v4
- 7.3
- Weakness
- CWE-290
- Assigned by
- psirt@lenovo.com
Dates
- Published
- 2026-08-13
- Last modified
- 2026-08-24
- Sources
- NVD