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Back to active CVEs
High · CVSS 7.5CVE-2026-59570

Android ZCC denial of serviceCVE-2026-59570

Answer in brief

CVE-2026-59570 records a High severity (CVSS 7.5) vulnerability in Android ZCC denial of service. The current sources do not mark it as known exploited. The current feed maps Zscaler/Client Connector (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 14, 2026Updated Sep 18, 2026Source checked Oct 30, 2026First seen by HOL Sep 14, 2026Material review Sep 18, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Zscaler/Client Connector (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Zscaler/Client Connectorgeneric>=0 <Android: 4.2.0.152 || >=0 <ChromeOS: 4.2.0.152Android: 4.2.0.152, ChromeOS: 4.2.0.152, Android:, ChromeOS:

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Zscaler/Client Connector.
  2. 2Review the reported fix. Update Zscaler/Client Connector to Android: 4.2.0.152 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 14, 2026

Sources and claim methodology

  • Source referencehelp.zscaler.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Oct 30, 2026
References
1 linked source
Open source record