Which versions of Microsoft are affected by CVE-2026-3818?

Tiandy Easy7 CMS installations (version 7.17.0 and earlier) are vulnerable to an unpatched HIGH severity flaw affecting the GetDBData.jsp web service component.

How to fix or mitigate CVE-2026-3818?

Within 24 hours: Inventory all Tiandy Easy7 CMS deployments and restrict network access to the /Easy7/apps/WebService/GetDBData.jsp endpoint using firewall rules or WAF policies. Within 7 days: Implement comprehensive network segmentation isolating CMS systems from critical assets and deploy enhanced monitoring/logging on affected systems. Within 30 days: Evaluate alternative CMS solutions or contact Tiandy for patch timeline; maintain strict access controls and monitoring until patched.

Microsoft CVE-2026-3818

Q: What is the CVSS score of CVE-2026-3818?

CVE-2026-3818 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-03-09 cna@vuldb.com

SQLi Microsoft

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

CVE Published

Mar 09, 2026 - 12:16 nvd

HIGH 7.3

DescriptionCVE.org

A flaw has been found in Tiandy Easy7 CMS Windows 7.17.0. Impacted is an unknown function of the file /Easy7/apps/WebService/GetDBData.jsp. This manipulation of the argument strTBName causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

SQL injection in Tiandy Easy7 CMS 7.17.0 allows unauthenticated remote attackers to manipulate the strTBName parameter in GetDBData.jsp, potentially accessing or modifying sensitive database information. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early disclosure notification.

Technical ContextAI

Affects Easy7 Cms. A flaw has been found in Tiandy Easy7 CMS Windows 7.17.0. Impacted is an unknown function of the file /Easy7/apps/WebService/GetDBData.jsp. This manipulation of the argument strTBName causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.