What is GHSA-pfq4-7qpf-f79m?

GHSA-pfq4-7qpf-f79m is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Microsoft Internet Messaging API allows an unauthorized attacker to...

Which CVE IDs does GHSA-pfq4-7qpf-f79m cover?

GHSA-pfq4-7qpf-f79m covers the following CVE IDs: CVE-2026-83778. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pfq4-7qpf-f79m?

GHSA-pfq4-7qpf-f79m has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-pfq4-7qpf-f79mHighCVSS 8.8

Heap-based buffer overflow in Microsoft Internet Messaging API allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83778 →

📋 Description

Heap-based buffer overflow in Microsoft Internet Messaging API allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83778
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83778
https://github.com/advisories/GHSA-pfq4-7qpf-f79m