SonicWall security advisory (AV26-1048)
Canada’s Cyber Centre urges patches for multiple flaws in SonicWall NSM On-Prem 4.3.1 and earlier.
On October 15, 2026, the Canadian Centre for Cyber Security issued advisory AV26-1048 on multiple vulnerabilities in SonicWall Network Security Manager On-Prem. Version 4.3.1 and earlier is affected across VMware, Hyper-V, Azure, and KVM deployments. The Centre tells administrators to review SonicWall’s advisory and apply updates as they become available. The alert does not name CVE identifiers or report exploitation.
- Advisory AV26-1048 was published on October 15, 2026.
- SonicWall NSM On-Prem 4.3.1 and earlier is affected.
- Deployments include VMware, Hyper-V, Azure, and KVM.
- No CVE identifiers or active exploitation are stated.
- Vendors
- SonicWall
- Products
- Network Security Manager
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
From the original article
1 min read at cyber.gc.ca
Serial number: AV26-1048 Date: October 15, 2026 As of October 14, 2026, SonicWall is affected by vulnerabilities in the following product: Network Security Manager (NSM) On-Prem (VMWare, Hyper-V, Azure and KVM) Version 4. 3. 1 and prior The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.
cyber.gc.ca
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