What is GHSA-878h-ggqr-r6qq?

GHSA-878h-ggqr-r6qq is a security advisory published by GitHub Security Advisories with Medium severity. Improper link resolution before file access ('link following') in Microsoft Defender allows an...

Which CVE IDs does GHSA-878h-ggqr-r6qq cover?

GHSA-878h-ggqr-r6qq covers the following CVE IDs: CVE-2026-70264. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-878h-ggqr-r6qq?

GHSA-878h-ggqr-r6qq has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-878h-ggqr-r6qqMediumCVSS 5.5

Improper link resolution before file access ('link following') in Microsoft Defender allows an...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-70264 →

📋 Description

Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to disclose information locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-70264
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70264
https://github.com/advisories/GHSA-878h-ggqr-r6qq