Out-of-Bounds Kernel Memory Read in SonicWall Global VPN Client
CVE-2026-66151

5.5MEDIUM

Key Information:

Vendor

Sonicwall
Status
Global Vpn Client
Vendor
CVE Published:
7 August 2026

What is CVE-2026-66151?

The SonicWall Global VPN Client is affected by an out-of-bounds kernel memory read within the SWIPsec.sys driver. This vulnerability allows local attackers to potentially exploit the flaw, leading to a system crash. Users running version 4.10.8.1108 and earlier are particularly at risk and should consider updating to protect their systems from potential attacks.

Affected Version(s)

Global VPN Client Windows 4.10.8.1108 and earlier versions

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhishek Kumar Singh
.