CVE-2026-76886
High
Description
C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
SeverityHigh
CVSS8.1
Exploit probability—
ProductWireshark
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- wireshark wireshark4.4.18, 4.6.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wireshark wireshark | 4.4.0 ≤ v < 4.4.18, 4.6.0 ≤ v < 4.6.8 | 4.4.18, 4.6.8 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.