High severity · published Apr 30, 2026
CVE-2026-7376
NULL Pointer Dereference in Wireshark
7.5
CVSS
0.2%
EPSS
No
On KEV
Description
Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wireshark · Wireshark Foundation
4.6.0 before 4.6.5; 4.4.0 before 4.4.15 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7376
Exploit
https://gitlab.com/wireshark/wireshark/-/work_items/21206
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2026-48.html
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