What is GHSA-99rh-6p56-cprv?

GHSA-99rh-6p56-cprv is a security advisory published by GitHub Security Advisories with High severity. Concurrent execution using shared resource with improper synchronization ('race condition') in...

Which CVE IDs does GHSA-99rh-6p56-cprv cover?

GHSA-99rh-6p56-cprv covers the following CVE IDs: CVE-2026-121670. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-99rh-6p56-cprv?

GHSA-99rh-6p56-cprv has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-99rh-6p56-cprvHighCVSS 7.0

Concurrent execution using shared resource with improper synchronization ('race condition') in...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-121670 →

📋 Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121670
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121670
https://github.com/advisories/GHSA-99rh-6p56-cprv