What is GHSA-9gvv-f74q-gxrr?

GHSA-9gvv-f74q-gxrr is a security advisory published by GitHub Security Advisories with High severity. Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to...

Which CVE IDs does GHSA-9gvv-f74q-gxrr cover?

GHSA-9gvv-f74q-gxrr covers the following CVE IDs: CVE-2026-55011. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9gvv-f74q-gxrr?

GHSA-9gvv-f74q-gxrr has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-9gvv-f74q-gxrrHighCVSS 7.8

Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-55011 →

📋 Description

Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55011
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55011
https://github.com/advisories/GHSA-9gvv-f74q-gxrr