# CVE-2026-92259 — Samsung Opensource Escargot

> As of 2026-09-15, CVE-2026-92259 is a MEDIUM-severity vulnerability in Samsung Opensource Escargot, CVSS v3.1 5.5, EPSS 0.1% (6.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-92259 as of 2026-09-15; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-15

## What is CVE-2026-92259?

Integer overflow or wraparound vulnerability in Samsung Opensource Escargot allows attackers with write access to the bytecode-cache directory to cause a heap-based buffer overflow and denial of service via a crafted cache file. This issue affects Escargot: ac94df78493ee6fede286620d94f724e46b4d238.

The record classifies CVE-2026-92259 under weakness class [CWE-190](https://intel.threadlinqs.com/cwe/CWE-190). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 20 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.5 — MEDIUM (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 6.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-15

## Is CVE-2026-92259 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Samsung Opensource**: Escargot

## How to fix CVE-2026-92259

No vendor patch reference has been recorded for CVE-2026-92259 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-2026-92259

No threat campaign in the Threadlinqs corpus currently references CVE-2026-92259, 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, NVD, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on 2026-09-16. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [github.com](https://github.com/Samsung/escargot/pull/1650)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-92259
Full detection coverage and IOCs for threats exploiting CVE-2026-92259 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp