Microsoft Dynamics 365 Customer Voice is widely used enterprise SaaS; XSS enabling account/data compromise is high-impact and newsworthy.
CVE-2026-47646
Stored XSS in Microsoft Dynamics 365 Customer Voice allows script execution in users' browsers.
Is CVE-2026-47646 being exploited?
Not confirmed. CVE-2026-47646 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-47646?
CVE-2026-47646 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-47646?
Yes. A fix has been recorded for CVE-2026-47646. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-47646 affect?
CVE-2026-47646 affects Microsoft Dynamics 365 Customer Voice. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-47646?
Apply vendor patch immediately when available; enforce MFA, CSP, input sanitization, and restrict access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote stored XSS enables arbitrary JavaScript execution in victims' browsers, allowing session hijack, account takeover, credential theft, and data exfiltration.
Immediate action required