high7.8Known exploited
CVE-2026-20700
Apple Multiple Buffer Overflow Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-02-12. Federal due date: 2026-03-05.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 26.3 |
| Apple | Iphone Os | before 26.3 |
| Apple | Macos | before 26.3 |
| Apple | Tvos | before 26.3 |
| Apple | Visionos | before 26.3 |
| Apple | Watchos | before 26.3 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- 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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700