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CVE-2026-77908

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: September 8, 2026 at 05:13 PM UTC
Updated: October 14, 2026 at 11:08 PM UTC
1 product affected across 1 vendorDynamics 365

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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

Description

Improper control of generation of code ('code injection') in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dynamics 365· Microsoft
95%
v < 9.1.0048.00049.0 ≤ v < 9.1.0048.00049.0
Affected range stops below 9.1.0048.0004, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77908

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-94

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