CVE-2026-21709
CVE-2026-21709 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Critical
- Vendor advisories
- 2 from Veeam
- Listed by VulniPulse
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-21709; each belongs to its advisory, not to every product listed. How records are collected and checked.
Vendor advisories for CVE-2026-21709
Veeam
2 advisories- Advisory severityCritical9.9
Critical [CVE-2026-21666 +5] Veeam Backup & Replication: vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
CVE-2026-21672Source published Source updated
This bulletin covers 6 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
- Related products — impact not confirmed
- Veeam Backup & Replication
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 12.3.2.4465
- 12.3.2
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
- Advisory severityCritical9.9
Critical [CVE-2026-21669 +5] Veeam Backup & Replication: vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high…
CVE-2026-21671Source published Source updated
This bulletin covers 6 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.
- Related products — impact not confirmed
- Veeam Backup & Replication
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 13.0.1.2067
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
References
More Veeam advisories
CVE-2021-35971Aug 25, 2026List of Security Fixes and Improvements in Veeam Backup & ReplicationCVE-2026-44963Jun 9, 2026Vulnerability Resolved in Veeam Backup & Replication 12.3.2.4854CVE-2026-98432Nov 6, 2026Impact StatementCVE-2023-22793Oct 29, 2026Vulnerabilities Resolved in Veeam Management Pack for Microsoft System Center 13.1CVE-2025-64394Oct 27, 2026Vulnerabilities Resolved in Veeam Backup for Microsoft 365 8.6CVE-2026-105477Oct 27, 2026Release Information for Veeam Backup & Replication 13 and Updates
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