Use after free in Apple iOS and iPadOS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected system termination or corrupt kernel memory.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS and iPadOS | before 26.7 | 26.7 | Patch available | CNA |
| Apple | macOS | before 15.8; before 27 | 15.8, 27 | Patch available | CNA |
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 26.7
- Fix · CNA macOS (Apple) Fixed in 15.8, 27
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 15.8, 27
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-58116 Improper access control in Apple macOSPriority LOW 24
- Release ·
Apple iOS and iPadOS 26.7
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-59387 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2026-43684
- 2026-10-03 Alias added: GHSA-2fpc-gmc5-4899
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-43684 · CVE Program
- CVE-2026-43684 · NVD
- FIRST EPSS
- GHSA-2fpc-gmc5-4899 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences