Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-76926

CVE-2026-76926MEDIUM

Wireshark Foundation Wireshark — Reachable Assertion in Wireshark

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  U  N  N  H    6.5   .0022   11.4     —

AFFECTED
  Product    Versions  Fixed
  Wireshark  4.6.0 –   —

TIMELINE
  Aug 19  Reserved by GitLab
  Aug 19  Published (CNA: GitLab)
  Sep 1   EXPLOIT PUBLISHED — CVE-2026-76926 (Wireshark Foundation Wireshark). Public exploit reference added.
  Sep 1   RESCORED — CVE-2026-76926 (Wireshark Foundation Wireshark). CVSS 3.1 → 6.5 (NVD).

CWE-617 · CNA: GitLab · CVSS v3.1 · 2 references · NVD status: Analyzed

Description

BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 19, 2026	Reserved	Reserved by GitLab
August 19, 2026	Published	Published (CNA: GitLab)
September 1, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-76926 (Wireshark Foundation Wireshark). Public exploit reference added.
September 1, 2026	RESCORED	RESCORED — CVE-2026-76926 (Wireshark Foundation Wireshark). CVSS 3.1 → 6.5 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Wireshark Foundation	Wireshark	—	4.6.0	—

Weaknesses

CWE-617

References (2)

https://gitlab.com/wireshark/wireshark/-/work_items/21435 [Exploit, Mitigation, Vendor Advisory]
https://www.wireshark.org/security/wnpa-sec-2026-70.html [Vendor Advisory]

Authoritative record: CVE-2026-76926 at cve.org

Vendors: wireshark foundation

Weaknesses: CWE-617

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76926 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.