High 8.8
KEV + Ransomware
CVE-2025-8088
Exploitation of CVE-2025-8088 in MDaemon Mail Server in Ukraine
Vendor / product: MDaemon Mail Server
Event date: 2026-04-01
Public PoC: Yes
First tracked by RiskWire: 2026-10-30
CISA KEV catalog
Added to KEV
Federal remediation due
2025-09-02 (428 days overdue)
Ransomware campaign use
Known
CISA description
RARLAB WinRAR contains a path traversal vulnerability affecting the Windows version of WinRAR. This vulnerability could allow an attacker to execute arbitrary code by crafting malicious archive files.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Named threat actors
Gamaredon
Sources & citations (1)
- Russian Hackers Exploit MDaemon Mail Server Flaw to Install Backdoors Without User Interaction gbhackers.com · 2026-10-31
References
See CVE-2025-8088 in context
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