Threat Intelligence / CVE / CVE-2026-21668

CVE-2026-21668

CVSS 8.8 (HIGH) · EPSS 0.0% · Published 2026-03-12

A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-862

Threats tracking this CVE

Veeam Backup & Replication 8 Critical Vulnerabilities — Domain User to Backup Server RCE (CVE-2026-21666, CVE-2026-21667, CVE-2026-21669, CVE-2026-21708) — CRITICAL

References

https://www.veeam.com/kb4830

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