CVE-2026-20700 — Apple Multiple Buffer Overflow Vulnerability
CVE-2026-20700: Apple Multiple Buffer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Apple |
| Product | Multiple Products |
| Date added | 2026-02-12 |
| Due date | 2026-03-05 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://support.apple.com/en-us/126346 ; https://support.apple.com/en-us/126348 ; https://support.apple.com/en-us/126351 ; https://support.apple.com/en-us/126352 ; https://support.apple.com/en-us/126353 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20700
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20700
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog