Ref# ADV2026_83 | Date: Feb 15th 2026

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Apple published a security advisory highlighting vulnerabilities in the following products on February 11, 2026. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• iOS – versions prior to 26.3 

• iPadOS – versions prior to 26.3 

• iOS – versions prior to 18.7.5 

• iPadOS – versions prior to 18.7.5 

• macOS Tahoe – versions prior to 26.3 

• macOS Sequoia – versions prior to 15.7.4 

• macOS Sonoma – versions prior to 14.8.4 

• tvOS – versions prior to 26.3 

• watchOS – versions prior to 26.3 

• visionOS – versions prior to 26.3 

Update 1 

Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-20700 to their Known Exploited Vulnerabilities (KEV) Database on February 12, 2026,  

For more information on these updates, you can follow this URL: 

• CISA KEV: CVE-2026-20700 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

PDF Download: Apple Security Advisory – Update 1

References 

• CISA KEV: CVE-2026-20700/ (n.d.) Retrieved from CISA. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-20700 
• Apple Security Updates. (n.d). Retrieved from Apple. https://support.apple.com/en-us/100100 
• Apple security advisory. (February 11th, 2026). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/apple-security-advisory-av26-122