How severe is CVE-2022-49042?

CVE-2022-49042 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-49042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-49042?

CVE-2022-49042 affects Synology Hyper Backup Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-49042?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-49042 have an EU (EUVD) identifier?

Yes. CVE-2022-49042 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55997.

When was CVE-2022-49042 published?

CVE-2022-49042 was published on 2026-06-03 and last updated on 2026-06-17.

CVE-2022-49042

CVE-2022-49042 is a high-severity vulnerability in Synology Hyper Backup Explorer with a CVSS 3.x base score of 7.8. 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-829.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-55997
Weakness: CWE-829
Affected product: Synology Hyper Backup Explorer
Published: 2026-06-03
Last modified: 2026-06-17

Description

An inclusion of functionality from untrusted control sphere vulnerability in MinGW DLL component in Synology Hyper Backup Explorer before 3.0.1-0156 allows local users to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2022-49042?: An inclusion of functionality from untrusted control sphere vulnerability in MinGW DLL component in Synology Hyper Backup Explorer before 3.0.1-0156 allows local users to execute arbitrary code via unspecified vectors.
How severe is CVE-2022-49042?: CVE-2022-49042 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-49042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-49042?: CVE-2022-49042 affects Synology Hyper Backup Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-49042?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-49042 have an EU (EUVD) identifier?: Yes. CVE-2022-49042 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55997.
When was CVE-2022-49042 published?: CVE-2022-49042 was published on 2026-06-03 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/releaseNote/HyperBackupExplorer

Affected products (1)

cpe:2.3:a:synology:hyper_backup_explorer:*:*:*:*:*:*:*:*

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