What is GHSA-3g7p-8qpr-9q7v?

GHSA-3g7p-8qpr-9q7v is a security advisory published by GitHub Security Advisories with Medium severity. Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose...

Which CVE IDs does GHSA-3g7p-8qpr-9q7v cover?

GHSA-3g7p-8qpr-9q7v covers the following CVE IDs: CVE-2026-81399. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3g7p-8qpr-9q7v?

GHSA-3g7p-8qpr-9q7v has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-3g7p-8qpr-9q7vMediumCVSS 5.5

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-81399 →

📋 Description

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81399
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81399
https://github.com/advisories/GHSA-3g7p-8qpr-9q7v