CVE-2026-65641 - A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account

Back Back to CVE browser

CRITICAL

A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account

Published Aug 26, 2026

9.3

CRITICAL

CVSS 4.0

EPSS 0.54%

Description

A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.

Affected products

Vendor Veeam Product One Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <13.0.2
- Version
  0
  Status
  affected
  Constraints
  <13.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Veeam

One

unaffected

Version	Status	Constraints
0	affected	<13.0.2
0	affected	<13.1

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-288

References (2)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-66760		Advisory
https://www.veeam.com/kb4905

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner hackerone

Published Aug 26, 2026

Updated Aug 27, 2026

Reserved Jul 22, 2026

Link CVE-2026-65641

CISA Vulnrichment

Updated Aug 27, 2026

NVD

Status Deferred

Modified Sep 9, 2026

Link CVE-2026-65641

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-65641

ENISA EUVD

Assigner hackerone

Published Aug 26, 2026

Updated Aug 27, 2026

Exploited since n/a

Link EUVD-2026-66760

EUVD-2026-66760