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CVE-2018-8609· NVD / CVE Program· CNA microsoft

A remote code execution vulnerability exists in Microsoft Dynamics 365 (on-premises) version 8 when the server fails to properly sanitize we

A remote code execution vulnerability exists in Microsoft Dynamics 365 (on-premises) version 8 when the server fails to properly sanitize web requests to an affected Dynamics server, aka "Microsoft Dynamics 365 (on-premises) version 8 Remote Code Execution Vulnerability." This affects Microsoft Dynamics 365.

HighCVSS 8.8 · v3.0—No exploit No fix recorded
Published
Nov 13, 2018
Updated
Jun 16, 2026
EPSS
9.9% · 95th percentile
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Report tools

JSON

Action score

38

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
3 / 30 · 9.9%

Affected systems

VendorProduct
microsoftdynamics 365

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • microsoft dynamics 3658.0 and later · before 8.2.3.0003

Versions reported by the vendor

Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.

  • Microsoft Microsoft Dynamics 365

    • premises) version 8affected

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-47647Dynamics 365 Elevation of Privilege Vulnerability
    39Monitor
  • CVE-2026-42898Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
    39Monitor
  • CVE-2024-38182Microsoft Dynamics 365 Elevation of Privilege Vulnerability
    39Monitor
  • CVE-2026-65815Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
    36Monitor
  • CVE-2026-42833Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
    36Monitor
  • CVE-2022-35805Microsoft Dynamics CRM (on-premises) Remote Code Execution Vulnerability
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-116 · Improper Encoding or Escaping of Output

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records