What is GHSA-fw5f-5j4p-c43m?

GHSA-fw5f-5j4p-c43m is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute...

Which CVE IDs does GHSA-fw5f-5j4p-c43m cover?

GHSA-fw5f-5j4p-c43m covers the following CVE IDs: CVE-2026-83856. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fw5f-5j4p-c43m?

GHSA-fw5f-5j4p-c43m has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-fw5f-5j4p-c43mHighCVSS 7.5

Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83856 →

📋 Description

Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83856
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83856
https://github.com/advisories/GHSA-fw5f-5j4p-c43m