CVE-2026-20700: Apple Multiple Buffer Overflow Vulnerability. Apple iOS,

Apple Multiple Buffer Overflow Vulnerability. Apple iOS, macOS, tvOS, watchOS, and visionOS contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow an attacker with memory write the capability to execute arbitrary code.

• CISA KEV-listed (remediation due 2026-03-05)
• EPSS 1.7% (77.0% percentile)
• CVSS 7.8 high

Related briefings

• Russia's APT29 hijacks websites to hack unpatched phones 2026-11-04

Linked threat actors

• APT29 machine-inferred link

Browse the CVE database

Read the full analysis on IntelFusions