Apple · Multiple Products
CVE-2026-20700
Apple Multiple Buffer Overflow Vulnerability
Was es ist
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.
CISA: 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.
Was zu tun ist
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Frist für US-Bundesbehörden: 5. März 2026
Weitere ausgenutzte Schwachstellen von Apple
| Hinzugefügt | Schwachstelle | Produkt | Schweregrad | Angriffswahrscheinlichkeit |
|---|---|---|---|---|
| 29.09.2026 | Out-of-Bounds Write | Multiple Products | Hoch 8,8 | 26% |
| 20.03.2026 | Buffer Overflow | Multiple Products | Hoch 8,8 | 1,7% |
| 20.03.2026 | Improper Locking | Multiple Products | Hoch 7,8 | 0,4% |
| 20.03.2026 | Classic Buffer Overflow | Multiple Products | Mittel 5,5 | 0,4% |
| 05.03.2026 | Integer Overflow or Wraparound | Multiple Products | Hoch 8,8 | 7,0% |
| 05.03.2026 | Use-After-Free | Multiple Products | Hoch 8,8 | 4,0% |
| 15.12.2025 | Use-After-Free WebKit | Multiple Products | Hoch 8,8 | 26% |
| 20.10.2025 | Unspecified | Multiple Products | Hoch 8,8 | 3,2% |
Quellen: Known Exploited Vulnerabilities (CISA, gemeinfrei), CVE records (cve.org) und EPSS (FIRST). Die Angriffswahrscheinlichkeit ist die EPSS-Schätzung, dass jemand in den nächsten 30 Tagen versucht, die Schwachstelle auszunutzen.