High 7.0
KEV-listed
CVE-2026-68820
Lazarus Group Exploits Windows Kernel Driver CVE-2026-68820 in Defense Sector Attacks
Vendor / product: Microsoft Windows AFD.sys
Event date: 2026-06-01
Public PoC: Yes
First tracked by RiskWire: 2026-09-12
CISA KEV catalog
Added to KEV
Federal remediation due
2026-08-25 (26 days overdue)
Ransomware campaign use
Unknown
CISA description
Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Named threat actors
Lazarus Group
Sources & citations (1)
- FudModule Rootkit Hides 5 Weeks via CVE-2026-68820 tech-insider.org · 2026-09-13
References
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