CVE Tools
Sign in

CVE-2026-76885

Buffer Over-read in Wireshark

Published: Aug 19, 2026Updated: Aug 31, 2026 Sources: CVE List NVDCWE-126
3.1LOW
NVD MITRE
EPSS Score
0.2%
Top 91.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-126

Affected Products

Wireshark Foundation
oss-projectaka wireshark, editcap
WiresharkOn-premDesktop App
Security Products
wireshark
oss-project·US
wiresharkOn-premDesktop App
Networking Infrastructure / network-management

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-76885?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

https://www.wireshark.org/security/wnpa-sec-2026-71.html
wireshark.org
https://gitlab.com/wireshark/wireshark/-/work_items/21414
gitlab.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-76885 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store