Ref# ADV2026_184 | Date: Mar 25th 2026

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Apple published a security advisory highlighting vulnerabilities in the following products on March 24, 2026. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• iOS – versions prior to 18.7.7 and versions prior to 26.4 

• iPadOS – versions prior to 18.7.7 and versions prior to 26.4 

• macOS Sequoia – versions prior to 15.7.5 

• macOS Sonoma – versions prior to 14.8.5 

• macOS Tahoe – versions prior to 26.4 

• tvOS – versions prior to 26.4 

• visionOS – versions prior to 26.4 

• watchOS – versions prior to 26.4 

For more information on this update, you can follow this URL: 

• Apple Security Updates 

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary. 

PDF Download: Apple Security Advisory

References 

• Apple Security Advisory (March 24th, 2026). Retrieved from Apple. https://support.apple.com/en-us/100100 

• Apple Security Advisory. (March 24th, 2026). Retrieved from Canadian Centre for Cyber Security. https://cyber.gc.ca/en/alerts-advisories/apple-security-advisory-av26-275