Cyber Resilience

CVE-2026-36228

High

Published: 22 May 2026

Published
22 May 2026
Modified
22 May 2026
KEV Added
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Patch
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CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0060 43.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-36228 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Easy Chat Server (inferred from references). Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 43.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Buffer Overflow vulnerability in Easy Chat Server 3.1 allows a remote attacker to obtain sensitive information and execute arbitrary code via the chat message functionality

CWE(s)
CWE-120

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Buffer overflow in publicly exposed Easy Chat Server enables remote code execution and info disclosure via crafted chat messages, directly mapping to exploitation of a public-facing application.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

Affected Assets

Easy
Chat Server
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References