Zscaler Security Advisories | Zscaler News

Zscaler Security Advisories

To learn more about Zscaler security policies and publications, visit Zscaler Security.

If you believe you've discovered a security vulnerability on or within a Zscaler product, service, or application, we encourage you to inform us as soon as possible through our Vulnerability Disclosure Program.

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###### Zscaler protects against 4 new vulnerabilities for Windows September 08, 2026
###### Zscaler protects against 7 new vulnerabilities for Windows August 11, 2026
###### Zscaler protects against 26 new vulnerabilities for Windows July 14, 2026
###### Zscaler protects against 13 new vulnerabilities for Adobe Acrobat and Reader June 09, 2026
###### Zscaler protects against 10 new vulnerabilities for Windows June 09, 2026
###### Zscaler protects against 12 new vulnerabilities for Windows May 12, 2026
###### Zscaler protects against 1 new vulnerability for Adobe Acrobat and Reader April 14, 2026

Explore our latest security research

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Vulnerability Disclosure Program

Report security vulnerabilities to the Zscaler security team

Disclose a vulnerability