What is GHSA-fjm3-5v9c-74p5?

GHSA-fjm3-5v9c-74p5 is a security advisory published by GitHub Security Advisories with Medium severity. Improper verification of cryptographic signature in Windows Update Stack allows an authorized...

Which CVE IDs does GHSA-fjm3-5v9c-74p5 cover?

GHSA-fjm3-5v9c-74p5 covers the following CVE IDs: CVE-2026-83798. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fjm3-5v9c-74p5?

GHSA-fjm3-5v9c-74p5 has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-fjm3-5v9c-74p5MediumCVSS 5.5

Improper verification of cryptographic signature in Windows Update Stack allows an authorized...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83798 →

📋 Description

Improper verification of cryptographic signature in Windows Update Stack allows an authorized attacker to perform spoofing locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83798
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83798
https://github.com/advisories/GHSA-fjm3-5v9c-74p5