Microsoft's Defender Security Research Team has observed threat actors actively exploiting internet-exposed SolarWinds Web Help Desk instances in multi-stage intrusions that led to lateral movement ...
Security researchers warn that multiple enterprise customers have been compromised in connection with a critical flaw in SolarWinds Web Help Desk. Huntress Labs said that three customers have been ...
Microsoft links SolarWinds WHD exploits to RCE, lateral movement, and domain compromise in multi-stage attacks.
Attacks targeting SolarWinds Web Help Desk instances in December 2025 might have exploited recently patched vulnerabilities as zero-days.
We are seeing exploitation of SolarWinds Web Help Desk via CVE‑2025‑40551 and CVE‑2025‑40536 that can lead to domain compromise; here is how to patch, hunt, and mitigate now.
Exploitation of CVE-2025-40551, an RCE flaw affecting SolarWinds Web Help Desk, appears to be spreading, and defenders are on high alert.
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