CVE-2026-20667
CVE-2026-20667 is a high-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5930
- Weakness: CWE-693
- Affected product: Apple Ipados
- Published:
- Last modified:
Description
A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, watchOS 26.3. An app may be able to break out of its sandbox.
Frequently asked questions
- What is CVE-2026-20667?
- A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, watchOS 26.3. An app may be able to break out of its sandbox.
- How severe is CVE-2026-20667?
- CVE-2026-20667 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-20667 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-20667?
- CVE-2026-20667 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-20667?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-20667 have an EU (EUVD) identifier?
- Yes. CVE-2026-20667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5930.
- When was CVE-2026-20667 published?
- CVE-2026-20667 was published on 2026-02-11 and last updated on 2026-06-17.
References
- https://support.apple.com/en-us/126346
- https://support.apple.com/en-us/126348
- https://support.apple.com/en-us/126349
- https://support.apple.com/en-us/126350
- https://support.apple.com/en-us/126352
Affected products (4)
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
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