Race condition in Apple iOS, iPadOS and macOS lets apps escape sandbox
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Apple iOS and iPadOS before 27 and macOS before 27 are affected. A race condition (CWE-362) lets a malicious local app with low privileges break out of its sandbox.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
A race condition was addressed with additional validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious app may be able to break out of its sandbox.
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 27 | 27 | Patch available | CNA |
| Apple | macOS | before 27 | 27 | Patch available | CNA |
Remediation
Update Apple iOS and iPadOS to 27 and macOS to 27, which fix this issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA iOS and iPadOS (Apple) Fixed in 27
- Fix · CNA macOS (Apple) Fixed in 27
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 27
16 records Highest priority Priority MEDIUM 1 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2026-76687 Type confusion in Apple Safari and iOS allows code executionPriority MEDIUM 40
- TI-2026-76654 Apple macOS may launch maliciously modified appsPriority LOW 38
- TI-2026-76686 Apple iOS and macOS permissions flaw lets attackers overwrite filesPriority LOW 27
- Release ·
Apple iOS and iPadOS 27
11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2026-76687 Type confusion in Apple Safari and iOS allows code executionPriority MEDIUM 40
- TI-2026-76705 Incorrect authorization in Apple iOS and iPadOS may let apps place callsPriority LOW 38
- TI-2026-76704 Authorization flaw in Apple iOS, iPadOS and macOS exposes sensitive dataPriority LOW 24
Timeline
- 2026-10-20 Threatist record created from CVE-2026-86961
- 2026-10-20 CVSS score added · CISA ADP
- 2026-10-20 Weakness changed · CISA ADP
- 2026-10-20 CISA SSVC decision points changed
- 2026-10-20 Alias added: GHSA-qhj5-j72v-q72x
- 2026-10-21 CISA SSVC decision points changed
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-2026-86961 · CVE Program
- CVE-2026-86961 · NVD
- FIRST EPSS
- GHSA-qhj5-j72v-q72x · 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