Security readout for executives and security teams
Plain-English summary
This is a critical spoofing issue in Microsoft Dynamics 365 Customer Voice caused by cross-site scripting. An unauthenticated attacker could influence generated web content and trick a user into interacting with deceptive content. The CVSS score is high, but the provided sources do not show active exploitation.
Executive priority
Treat as urgent for Microsoft Dynamics 365 Customer Voice users because the vulnerability is critical and affects trust in customer-facing content. Prioritize confirming exposure and Microsoft remediation status before broader emergency response.
Technical view
CVE-2026-47646 is CWE-79 in Dynamics 365 Customer Voice. The CVSS 3.1 vector is network-reachable, low complexity, no privileges, user interaction required, changed scope, high confidentiality and integrity impact, and no availability impact. Microsoft is the affected vendor; no affected version range is provided.
Likely exposure
Exposure is most likely for organizations using Dynamics 365 Customer Voice, especially where survey or feedback experiences are reachable by external users. The source bundle does not identify affected versions, CPEs, tenant configurations, or whether customer-side action is required.
Exploitation context
The record says exploitation maturity is unproven and CISA KEV status is false. User interaction is required, so risk centers on convincing a target to interact with spoofed Customer Voice content rather than direct server compromise.
Researcher notes
Evidence is limited to the CVE metadata and Microsoft advisory reference. The record does not provide affected versions, exploit details, indicators of compromise, or named mitigations beyond the vendor advisory. Avoid assuming exploitation or a customer-applied patch path without MSRC confirmation.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2026-47646 and tenant-specific remediation status.
- Confirm any Microsoft-provided update or service-side remediation is applied.
- Inventory active Dynamics 365 Customer Voice forms and public links.
- Temporarily reduce public exposure where business impact is acceptable.
- Increase monitoring for suspicious Customer Voice links or unexpected survey content.
Validation and detection
- Confirm whether the organization uses Dynamics 365 Customer Voice.
- Check MSRC for current affected-product and remediation details.
- Identify externally shared Customer Voice forms and owners.
- Review recent user reports of suspicious survey or feedback links.
- Document remediation evidence and any remaining exposure assumptions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-47646 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C2.85.8microsoftVulnerability scoring details
Base CVSS 3.1 score
9.3CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Dynamics 365 Customer Voice Spoofing VulnerabilityCVE reference, microsoft · vendor-advisory, patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.