CVE-2022-21891
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
- Record
CVE-2022-21891- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2022-27047
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
- Record
EUVD-2022-27047- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m9fv-32mm-97pv
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability.
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability.
- Record
GHSA-m9fv-32mm-97pv- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
NVD
Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability
- Record
CVE-2022-21891- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-21891 is a high vulnerability (CVSS 7.6) in Microsoft Dynamics 365 Sales, published January 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.59%, the 75th percentile. No source names a fixed version.