CVE-2026-66374
⚠️ highSummary
Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
CVSS Score
8.1
High
EPSS Score
0.4
Exploit Probability
Published Date
2026-07-25
First Seen: 2026-07-31
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 77.2% of all 340,405 vulnerabilities in our database.
#77,677
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 27, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by
CISA
Last Modified
2026-07-30
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CWE IDs (Weakness Types)