CVE-2026-65641CWE-288

CVE-2026-65641

published August 27, 2026

CVSS
9.3
EPSS
1%
Percentile
44.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
9.3 · NONE
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L
EPSS
0.00543 · 44.8th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2026-08-27T02:16Z
References (1)
https://www.veeam.com/kb4905 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:50Z
    EPSS moved — → 1%
    epss
  • 26 AUG 21:21Z
    A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account
    cvelistv5