Critical Exploited CISA KEV 1 vendor · 2 advisories

CVE-2026-21668

CVE-2026-21668: critical-severity vulnerability covered by 2 tracked advisory records across Veeam. Compare affected products, fixed versions and remediation.…

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Veeam2 advisories

Critical9.9Critical [CVE-2026-21666 +5] Veeam Backup & Replication: vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.Mar 12, 2026
UnratedAdvisory [CVE-2021-35971 +44] List of Security Fixes and Improvements in Veeam Backup & ReplicationAug 25, 2026