CVE-2026-40947 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
CVE-2026-40947 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed April 17, 2026; most recent activity April 17, 2026.
A security vulnerability affecting YubiKey Manager, libfido2, and python-fido2 has been identified, allowing attackers to execute injected code on Windows systems. The flaw arises from improper DLL path handling,…
CVE-2026-40947 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
The most recent intelligence report mentioning CVE-2026-40947 on ThreatCluster is dated April 17, 2026.
Across ThreatCluster reporting, CVE-2026-40947 most frequently co-occurs with Malware, Yubico, CWE-269 - Improper Privilege Management, Cwe-427 - Uncontrolled Search Path Element, T1574 - Hijack Execution Flow, among 7 tracked related entities.
The most significant recent cluster is “Yubico Software Vulnerability Allows Code Injection via DLL Path Flaw” (2 articles · Updated April 17, 2026). CVE-2026-40947 appears across 1 threat cluster in total, listed above with sources.
CVE-2026-40947 appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.