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Medium severity · published Aug 7, 2026
CVE-2026-66151
SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds kernel memory read in the SWIPsec.sys driver, which could allow a local attacker to…
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds kernel memory read in the SWIPsec.sys driver, which could allow a local attacker to cause a system crash.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GV
Global VPN Client · SonicWall
4.10.8.1108 and earlier versions · source: vendor
Affected product
GV
Global VPN Client
SonicWall
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66151
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66151
psirt.global.sonicwall.com
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0010
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