Vulnerability · Published Sep 8, 2026 · Assigned by microsoft
CVE-2026-77908Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity code injection in Microsoft Dynamics 365 Customer Engagement V9.1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 37.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Dynamics 365 Customer Engagement V9.1 | 9.0 – before 9.1.0048.0004 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability vendor-advisory, patch