What is GHSA-86rh-fwj4-9gwg?

GHSA-86rh-fwj4-9gwg is a security advisory published by GitHub Security Advisories with High severity. Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to...

Which CVE IDs does GHSA-86rh-fwj4-9gwg cover?

GHSA-86rh-fwj4-9gwg covers the following CVE IDs: CVE-2026-83855. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-86rh-fwj4-9gwg?

GHSA-86rh-fwj4-9gwg has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-86rh-fwj4-9gwgHighCVSS 7.5

Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83855 →

📋 Description

Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83855
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83855
https://github.com/advisories/GHSA-86rh-fwj4-9gwg