CVE-2026-28858
CRITICAL · CVSS 9.8EPSS 0.6%EU EUVD
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Key facts
- CVSS score
- 9.8 (v3.1)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-120
- EPSS score
- 0.6% (45th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2026-15131)
- Published
- March 25, 2026
- NVD last modified
- June 17, 2026
- Status
- Analyzed
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2026-15131 in the EU Vulnerability Database. Last updated in EUVD on April 2, 2026.
View on the EU Vulnerability DatabaseAffected products
- apple / ipados
- apple / iphone os
Certified products that may be affected
13 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Apple iOS 18: iPhone - Apple Inc. - Common Criteria CCEVS-VR-VID-11623-2025 - active
- Apple iPadOS 18: iPad - Apple Inc. - Common Criteria CCEVS-VR-VID-11624-2025 - active
- Apple iPadOS 17: iPad - Apple Inc. - Common Criteria CCEVS-VR-VID-11447-2025 - active
- Strong Customer Authentication for Apple Pay on iPhone 14 Pro with A16 Bionic running iOS 16.4.1Version iOS 16.4.1 (build 20E252) ( ANSSI-CC-2023/59) - Apple Inc. - Common Criteria ANSSI-CC-2023/59 - active
- Strong Customer Authentication for Apple Pay on iPhone SE (3rd generation) with A15 Bionic running iOS 16.4.1iOS 16.4.1 (build 20E252) (ANSSI-CC-2023/58) - Apple Inc. - Common Criteria ANSSI-CC-2023/58 - active
See all 13 in the Security Certifications Explorer.
References
- https://support.apple.com/en-us/126792(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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