Critical severity9.9NVD Advisory· Published May 12, 2026· Updated Jun 17, 2026
CVE-2026-42898
CVE-2026-42898
Description
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
Affected products
2cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*+ 1 more
- cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*range: >=9.1.1.914,<9.1.45.11
- (no CPE)
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42898nvdVendor Advisory
News mentions
9- Microsoft on pace to break annual vulnerability record as AI-driven patch wave takes holdThe Record · May 13, 2026
- Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE FlawsThe Hacker News · May 13, 2026
- Microsoft Fixes 17 Critical Flaws in May Patch TuesdayInfosecurity Magazine · May 13, 2026
- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026
- Doozy of a Patch Tuesday includes 30 critical Microsoft CVEsThe Register Security · May 12, 2026
- It's Patch Tuesday for Microsoft & Not a Zero-Day In SightDark Reading · May 12, 2026
- Microsoft Patch Tuesday for May 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · May 12, 2026
- Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-daysBleepingComputer · May 12, 2026
- May 2026 Patch Tuesday: 30 Critical Vulnerabilities Among 130 CVEsCrowdStrike Blog