Improperly Controlled Sequential Memory Allocation in Visual Studio and Microsoft Dynamics 365 Field Service (on-premises) - CVE-2026-92707
Published: October 14, 2026
Vulnerability identifier: #VU155402
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92707
CWE-ID: CWE-1325
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improperly controlled sequential memory allocation in MessagePack-CSharp when handling network input. A remote attacker can trigger sequential memory allocations over a network to cause a denial of service.
Affected software
Visual Studio
Microsoft Dynamics 365 Field Service (on-premises)
Microsoft Dynamics 365 Field Service (on-premises)
How to mitigate CVE-2026-92707
Install security update from vendor's website.
Visual Studio - update to 17.14.42
Microsoft Dynamics 365 Field Service (on-premises) - addressed in versions 2.5.303, 3.1.9
Microsoft Dynamics 365 Field Service (on-premises) - addressed in versions 2.5.303, 3.1.9