CVE-2026-42255: high-severity vulnerability in Technitium DnsServer
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.4%
exploitation probability
0.4%top 73% of all CVEs
observed exploitation
nono source reports it
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
Affected products
Technitium · DnsServer