CVE-2026-65641
Received
Published: 26 Aug 2026, 21:21
Last modified:26 Aug 2026, 21:21
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.3 CRITICAL
v4.0 (cve.org)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
26 Aug 2026, 21:21
Published
Vulnerability first disclosed
Description
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
CVSS Metrics
- v4.0•CRITICAL•Score: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L
- v4.0•CRITICAL•Score: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L/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:X
Techniques & Countermeasures
- CWE-288•Authentication Bypass Using an Alternate Path or Channel
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
Affected Systems
- veeam•one
< 13.1 | < 13.0.2