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TI-2026-17482 Aliases CVE-2026-21709GHSA-v446-j5j2-jvvp

A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

Priority LOW 31CWE-77Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00171 6th percentileScored 2026-11-07
Fix Fixed Backup and Replication (Veeam): 12.3.2Software Appliance (Veeam): 13.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VeeamBackup and Replication12 to before 12.3.212.3.2Patch availableCNA
VeeamSoftware Appliance13 to before 13.0.113.0.1Patch availableCNA
  • Backup and Replication VendorVeeam Affected 12 to before 12.3.2 Fixed in 12.3.2 Patch available CNA
  • Software Appliance VendorVeeam Affected 13 to before 13.0.1 Fixed in 13.0.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*——Veeam
  • cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:* Versions — — ·Veeam

Remediation

  • Fix · CNA Backup and Replication (Veeam) Fixed in 12.3.2
  • Fix · CNA Software Appliance (Veeam) Fixed in 13.0.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21709
  2. 2026-10-03 Alias added: GHSA-v446-j5j2-jvvp

References

Other 2

  • TI-2024-27107 Deserialization of untrusted data in Veeam Backup and Recovery KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09844 Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2). KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09843 Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and… KEVCVSS 3.1HIGH 8.8
  • TI-2023-12256 Missing authentication in Veeam Backup & Replication KEVCVSS 3.1HIGH 7.5
  • TI-2020-08796 Deserialization of untrusted data in Veeam One Agent CVSS 3.1CRITICAL 9.8
  • TI-2024-19623 Veeam Backup Enterprise Manager allows unauthenticated users to log in as any user to enterprise manager web interface. CVSS 3.0CRITICAL 9.8
See all 119 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences