What is GHSA-ww8x-9jc5-9v7f?

GHSA-ww8x-9jc5-9v7f is a security advisory published by GitHub Security Advisories with Critical severity. Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker...

Which CVE IDs does GHSA-ww8x-9jc5-9v7f cover?

GHSA-ww8x-9jc5-9v7f covers the following CVE IDs: CVE-2026-50522. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ww8x-9jc5-9v7f?

GHSA-ww8x-9jc5-9v7f has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-ww8x-9jc5-9v7fCriticalCVSS 9.8

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50522 →

📋 Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50522
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50522
https://github.com/advisories/GHSA-ww8x-9jc5-9v7f