Critical severity · published Aug 26, 2026
CVE-2026-65641
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account
9.3
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
One · Veeam
before 13.1; before 13.0.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-65641
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-65641
www.veeam.com
https://www.veeam.com/kb4905
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