Read the docs
TI-2025-43883 Aliases CVE-2025-64391GHSA-5r3x-99rx-26hr

Veeam Agent for Windows lets local users write files anywhere

Priority LOW 18CWE-1386Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Veeam Agent for Windows versions before 13.1 contain an insecure operation on Windows junctions or mount points (CWE-1386). A low-privileged local user can make the agent write files to arbitrary locations when an administrator installs it.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00116 1st percentileScored 2026-11-07
Fix Fixed Agent for Windows (Veeam): 13.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
VeeamAgent for Windowsbefore 13.113.1Patch availableCNA
  • Agent for Windows VendorVeeam Affected before 13.1 Fixed in 13.1 Patch available CNA

Remediation

Update Veeam Agent for Windows to version 13.1, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Agent for Windows (Veeam) Fixed in 13.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Veeam Agent for Windows 13.1

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-68948 Veeam Agent for Windows flaw lets local users end arbitrary processesPriority LOW 29
    Show all 2 records →

Timeline

  1. 2026-10-07 Threatist record created from CVE-2025-64391
  2. 2026-10-07 Alias added: GHSA-5r3x-99rx-26hr
  3. 2026-10-07 CISA SSVC decision points changed

References

Other 1

  • 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