What is GHSA-886f-89q2-5f52?

GHSA-886f-89q2-5f52 is a security advisory published by GitHub Security Advisories with High severity. Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized...

Which CVE IDs does GHSA-886f-89q2-5f52 cover?

GHSA-886f-89q2-5f52 covers the following CVE IDs: CVE-2026-88121. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-886f-89q2-5f52?

GHSA-886f-89q2-5f52 has a CVSS v3 base score of 8.0, published by GitHub Security Advisories.

GHSA-886f-89q2-5f52HighCVSS 8.0

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-88121 →

📋 Description

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88121
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88121
https://github.com/advisories/GHSA-886f-89q2-5f52