Security readout for executives and security teams
Plain-English summary
A signed-in attacker with limited privileges could abuse weak access controls in Microsoft Dynamics 365 to gain higher privileges remotely. Successful exploitation could compromise sensitive information, alter business data, and disrupt service. The supplied record rates this critical at CVSS 9.9, but does not identify affected versions.
Executive priority
Treat as an urgent remediation and exposure-verification item because successful exploitation could enable broad business-system compromise. Prioritize internet-reachable or sensitive Dynamics 365 environments and accounts with network access. Escalate uncertainty to Microsoft because affected versions are absent from the supplied record.
Technical view
CVE-2026-47647 is a CWE-284 improper access-control vulnerability in Microsoft Dynamics 365. Its CVSS 3.1 vector indicates network access, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact. Exact affected versions are not provided in the source bundle.
Likely exposure
Organizations using Microsoft Dynamics 365 may be exposed, particularly where low-privileged accounts can reach the service over a network. Exposure cannot be determined from product name alone because the supplied affected-version field is unspecified. Confirm applicability using Microsoft's advisory and asset inventory.
Exploitation context
The attacker must already be authorized with low privileges, but exploitation requires no user interaction and is rated low complexity. The supplied bundle says this CVE is not in KEV and provides no evidence of active exploitation. That absence does not prove exploitation is not occurring.
Researcher notes
The 9.9 score reflects AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. Public details in the bundle are sparse: no affected-version range, exploitation mechanism, detection indicators, or workaround is provided. Avoid assuming every Dynamics 365 deployment is vulnerable; validate against the vendor advisory.
Mitigation direction
- Review the Microsoft advisory to identify affected Dynamics 365 services and versions.
- Apply the Microsoft-provided update or remediation applicable to each confirmed deployment.
- Restrict unnecessary network access to Dynamics 365 administrative and sensitive interfaces.
- Review low-privileged accounts and remove excessive or stale access pending remediation.
Validation and detection
- Inventory Dynamics 365 deployments, tenants, integrations, and externally reachable interfaces.
- Compare deployed versions or service status with the current Microsoft advisory.
- Verify the applicable Microsoft remediation is installed or confirmed for hosted services.
- Review audit logs for unexpected privilege changes or privileged actions by low-privileged accounts.
- Confirm affected accounts cannot perform administrative actions beyond their assigned roles.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-47647 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
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/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:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C3.16microsoftVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/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 Elevation of Privilege 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 Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.