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CVE-2026-66151

MEDIUM
5.5
CVSS Score
Published: August 7, 2026 at 08:10 PM UTC
Updated: October 24, 2026 at 04:10 PM UTC
1 product affected across 1 vendorGlobal VPN Client

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Global VPN Client· SonicWall
90%
4.10.8.1108 and earlier versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0010

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-125

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