What is GHSA-phwr-836j-jgp8?

GHSA-phwr-836j-jgp8 is a security advisory published by GitHub Security Advisories with High severity. Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a...

Which CVE IDs does GHSA-phwr-836j-jgp8 cover?

GHSA-phwr-836j-jgp8 covers the following CVE IDs: CVE-2026-55007. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-phwr-836j-jgp8?

GHSA-phwr-836j-jgp8 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-phwr-836j-jgp8HighCVSS 8.1

Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-55007 →

📋 Description

Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55007
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55007
https://github.com/advisories/GHSA-phwr-836j-jgp8