What is GHSA-pxgg-c4xh-w6pg?

GHSA-pxgg-c4xh-w6pg is a security advisory published by GitHub Security Advisories with Critical severity. Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to...

Which CVE IDs does GHSA-pxgg-c4xh-w6pg cover?

GHSA-pxgg-c4xh-w6pg covers the following CVE IDs: CVE-2026-88156. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pxgg-c4xh-w6pg?

GHSA-pxgg-c4xh-w6pg has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-pxgg-c4xh-w6pgCriticalCVSS 9.8

Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-88156 →

📋 Description

Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88156
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88156
https://github.com/advisories/GHSA-pxgg-c4xh-w6pg