How severe is CVE-2026-0857?

CVE-2026-0857 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-0857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0857?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-0857 have an EU (EUVD) identifier?

Yes. CVE-2026-0857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31091.

When was CVE-2026-0857 published?

CVE-2026-0857 was published on 2026-05-20 and last updated on 2026-06-17.

CVE-2026-0857

CVE-2026-0857 is a medium-severity vulnerability with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-316.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31091
Weakness: CWE-316
Published: 2026-05-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-0857?: 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.
How severe is CVE-2026-0857?: CVE-2026-0857 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-0857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0857?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0857 have an EU (EUVD) identifier?: Yes. CVE-2026-0857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31091.
When was CVE-2026-0857 published?: CVE-2026-0857 was published on 2026-05-20 and last updated on 2026-06-17.

References

https://seccore.at/blog/cves-meona/

Other CWE-316 vulnerabilities

CVE-2025-52579 — Critical (CVSS 9.4): Emerson ValveLink Products store sensitive information in cleartext in memory. The sensitive memory might be saved to…
CVE-2014-2366 — Critical (CVSS 9.0): upAdminPg.asp in Advantech WebAccess before 7.2 allows remote authenticated users to discover credentials by reading…
CVE-2024-36792 — High (CVSS 8.2): An issue in the implementation of the WPS in Netgear WNR614 JNR1010V2/N300-V1.1.0.54_1.0.1 allows attackers to gain…
CVE-2025-50109 — High (CVSS 7.7): Emerson ValveLink Products store sensitive information in cleartext within a resource that might be accessible to…
CVE-2025-9970 — High (CVSS 7.4): Cleartext Storage of Sensitive Information in Memory vulnerability in ABB MConfig.This issue affects MConfig: through…
CVE-2023-40724 — High (CVSS 7.3): A vulnerability has been identified in QMS Automotive (All versions < V12.39). User credentials are found in memory as…

Browse all CWE-316 vulnerabilities →