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CVE-2026-32210 Microsoft CVE debrief

Microsoft Dynamics 365 (online) Spoofing Vulnerability allows an unauthorized attacker to perform spoofing over a network due to server-side request forgery (SSRF). The vulnerability is caused by SSRF in Microsoft Dynamics 365 (online), allowing an unauthorized attacker to perform spoofing over a network. Defenders responsible for Dynamics 365 (online) deployments should assess exposure and potential impact, and apply patches or mitigations as recommended by Microsoft. The CVE record and source item provide limited information on affected versions and exploitation. Further verification is required to confirm affected scope and severity.

Vendor
Microsoft
Product
Microsoft Dynamics 365 (online)
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-23
Original CVE updated
2026-10-15
Advisory published
2026-04-23
Advisory updated
2026-10-15

Who should care

Defenders responsible for Dynamics 365 (online) deployments should assess exposure and potential impact. Defenders should prioritize verifying exposure and assessing potential impact on Dynamics 365 (online) deployments. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

CVE-2026-32210 is a critical spoofing vulnerability in Microsoft Dynamics 365 (online) that allows an unauthorized attacker to perform spoofing over a network due to server-side request forgery (SSRF). Defenders responsible for Dynamics 365 (online) deployments should assess exposure and potential impact, and apply patches or mitigations as recommended by Microsoft.

  • Verify exposure of Dynamics 365 (online) deployments to this vulnerability
  • Assess potential impact on Dynamics 365 (online) deployments
  • Apply patches or mitigations as recommended by Microsoft

Technical summary

The vulnerability is caused by server-side request forgery (SSRF) in Microsoft Dynamics 365 (online), allowing an unauthorized attacker to perform spoofing over a network. The vulnerability allows an unauthorized attacker to perform spoofing over a network due to SSRF in Microsoft Dynamics 365 (online). Defenders responsible for Dynamics 365 (online) deployments should assess exposure and potential impact.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on Dynamics 365 (online) deployments.

Recommended defensive actions

  • Verify exposure of Dynamics 365 (online) deployments to this vulnerability
  • Assess potential impact on Dynamics 365 (online) deployments
  • Apply patches or mitigations as recommended by Microsoft

Evidence notes

The CVE record and source item provide limited information on affected versions and exploitation. Further verification is required to confirm affected scope and severity. Defenders should verify exposure of Dynamics 365 (online) deployments to this vulnerability, assess potential impact on Dynamics 365 (online) deployments, and apply patches or mitigations as recommended by Microsoft. The source item and CVE record provide limited information on affected versions and exploitation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-32210 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-32210

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-32210 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-32210

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Microsoft Dynamics 365 (online) Spoofing Vulnerability

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/32xxx/CVE-2026-32210.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32210

    Supplemental source - vendor-advisory, patch

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.