Apple Multiple Buffer Overflow Vulnerability (CVE-2026-20700)
Severity: high · Patch status: unknown · Since 2026-02-12 · CVE-2026-20700
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 added CVE-2026-20700 to its Known Exploited Vulnerabilities catalog on Feb 12, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 5, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
