CVE-2026-6924
🔶 mediumSummary
A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.
CVSS Score
-
EPSS Score
0.3
Exploit Probability
Published Date
2026-07-23
First Seen: 2026-07-31
🎯 CISA SSVC Assessment Updated: Jul 24, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Junming C. (@Chapoly1305) and Prof. Qiang Zeng of George Mason University (reporter)
SSVC data provided by
CISA
Last Modified
2026-07-24
Source
NVD 🔗
CVSS Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE IDs (Weakness Types)