What is GHSA-q8g8-h36v-wcv9?

GHSA-q8g8-h36v-wcv9 is a security advisory published by GitHub Security Advisories with High severity. Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to...

Which CVE IDs does GHSA-q8g8-h36v-wcv9 cover?

GHSA-q8g8-h36v-wcv9 covers the following CVE IDs: CVE-2026-55136. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q8g8-h36v-wcv9?

GHSA-q8g8-h36v-wcv9 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-q8g8-h36v-wcv9HighCVSS 7.8

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-55136 →

📋 Description

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55136
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55136
https://github.com/advisories/GHSA-q8g8-h36v-wcv9