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CVE-2026-59570

Android ZCC denial of service

HIGH
7.5
CVSS Score
Published: September 14, 2026 at 02:47 PM UTC
Updated: September 18, 2026 at 07:19 PM UTC
1 product affected across 1 vendorClient Connector

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Severity
HIGH7.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.

Affected

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

Client Connector· Zscaler
60%
v < Android: 4.2.0.152v < ChromeOS: 4.2.0.152
Affected range stops below Android: 4.2.0.152, so it looks safe — our inference, not a vendor statement
Affected range stops below ChromeOS: 4.2.0.152, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.5HIGHZscaler
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-20

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