CVE-2026-15166: Wireshark

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Affected products

• Wireshark Wireshark: from 4.4.0, before 4.4.17 (fixed in 4.4.17); from 4.6.0, before 4.6.7 (fixed in 4.6.7)

Published 2026-07-08. Last modified 2026-07-09.