CVE-2025-64394

mediumpriority · track · 0
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
— EPSS
CVSS 4.3 · medium
Is it mine?
0 products
Check your exposure
Who says so?
— sources

A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation or denial of service.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v4.04.3mediumCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · support@hackerone.com
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products

Products and version ranges known to be affected.

No affected products recorded.

04

sources

Which sources assert this record, and when.

published 2026-10-27modified 2026-10-27
05

references (1) nvd

External citations — patches, advisories, analysis.

scry

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