Answer in brief
CVE-2026-3564 records a Critical severity (CVSS 9.0) vulnerability in ScreenConnect Instance Level Cryptographic Material Exposure. The current sources do not mark it as known exploited. The current feed maps ConnectWise/ScreenConnect (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps ConnectWise/ScreenConnect (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| ConnectWise/ScreenConnectgeneric | All server versions prior to 26.1 | Not reported |
Published upstream
Mar 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 9, 2026
A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.
Quoted source text, attributed separately from HOL analysis.