VulnerabilityAnalyzed
CVE-2026-15166
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
MEDIUM 5.5EPSS 0.16%
Does this matter?
Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.
Description
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
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.16% probability · 5th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121
- Affected
- wireshark/wireshark
- Source
- cve@gitlab.com
References
- https://gitlab.com/wireshark/wireshark/-/work_items/21391Exploit, Issue Tracking, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2026-57.htmlVendor Advisory
- https://gitlab.com/wireshark/wireshark/-/work_items/21391Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.