PT-2026-40258 · Microsoft · Dynamics 365

Published 2026-05-12 · Updated 2026-05-14 · CVE-2026-42833

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Dynamics 365 (on-premises) (affected versions not specified)

Description Execution with unnecessary privileges allows an authorized attacker to execute code over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-250

Related Identifiers

BDU:2026-06631

CVE-2026-42833

Affected Products

Dynamics 365

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42833 · Security Note
• https://bdu.fstec.ru/vul/2026-06631 · Security Note
• https://t.me/CVEtracker/53524 · Telegram Post
• https://feedly.com/cve/CVE-2026-42833 · Note
• https://twitter.com/rahsi_aaka/status/2054540660972433431 · Twitter Post
• https://twitter.com/CVEnew/status/2054341005013360873 · Twitter Post
• https://twitter.com/NewsNerdie/status/2054834616352072121 · Twitter Post