CVE-2026-42898 json
Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
published 2026-05-12 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-29718
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
Patch / fix
- Microsoft Microsoft Dynamics 365 (on-premises) version 9.1 9.1.45.11
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.9 | 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 | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-42898
vendor-advisory, patch
Sources
- CVE List CVE-2026-42898
- NVD CVE-2026-42898
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.