HOMEVULNERABILITIESCVE-2026-0857
MEDIUM

CVE-2026-0857

CWE-316Published: May 20, 2026· Updated: May 20, 2026

6.0
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:0.8th

Official Description

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component.

This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.

NVD Source

Technical Analysis

CVE-2026-0857 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

Quick Facts

CVE IDCVE-2026-0857
CVSS Score6.0 / 10
SeverityMEDIUM
WeaknessCWE-316
CISA KEVNo
EPSS (30d)0.01%
PublishedMay 20, 2026

Related CVEs (CWE-316)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-0857 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.