# CVE-2026-76882 — Wireshark

> As of 2026-08-19, CVE-2026-76882 is a MEDIUM-severity vulnerability in Wireshark, CVSS v3.1 4.7. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-76882 as of 2026-08-19; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-19

## What is CVE-2026-76882?

Bluetooth Attribute Protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

The record classifies CVE-2026-76882 under weakness class [CWE-125](https://intel.threadlinqs.com/cwe/CWE-125). Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 47 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.7 — MEDIUM (`CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-19

## Is CVE-2026-76882 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Wireshark Foundation](https://intel.threadlinqs.com/vendors/wireshark-foundation): Wireshark

## How to fix CVE-2026-76882

No vendor patch reference has been recorded for CVE-2026-76882 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-76882

No threat campaign in the Threadlinqs corpus currently references CVE-2026-76882, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org. Last verified by Threadlinqs on 2026-08-21.

**Other references**

- [wireshark.org](https://www.wireshark.org/security/wnpa-sec-2026-73.html)
- [gitlab.com](https://gitlab.com/wireshark/wireshark/-/work_items/21424)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-76882
Full detection coverage and IOCs for threats exploiting CVE-2026-76882 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp