CVE-2026-59566CWE-229

CVE-2026-59566

High · published August 24, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
2.2
In the wild
Unconfirmed
What it is

A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00122 · 2.2th percentile
Weakness
CWE-229 · Improper Handling of Values
Published
2026-08-24T18:16Z
References (1)
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026 · [email protected]
EPSS history
Timeline
  • 26 AUG 08:16Z
    EPSS moved — → 0%
    epss
  • 24 AUG 13:41Z
    Local denial-of-service
    cvelistv5