CVE-2026-28931
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-120
- EPSS score
- 0.5% (41th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2026-49422)
- Published
- July 27, 2026
- NVD last modified
- July 29, 2026
- Status
- Analyzed
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2026-49422 in the EU Vulnerability Database. Last updated in EUVD on July 29, 2026.
View on the EU Vulnerability DatabaseAffected products
- apple / ipados
- apple / iphone os
- apple / macos
- apple / tvos
- apple / watchos
Certified products that may be affected
20 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Apple macOS 26 Tahoe: FileVault - Apple Inc. - Common Criteria CCEVS-VR-VID-11696-2026 - active
- Apple macOS 26 Tahoe - Apple Inc. - Common Criteria CCEVS-VR-VID-11695-2026 - active
- 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
- Strong Customer Authentication for Apple Pay on Apple Watch Series 10 with S10 running watchOS 11.4(watchOS 11.4 (build 22T251)) (ANSSI-CC-2025/35) - Apple Inc. - Common Criteria ANSSI-CC-2025/35 - active
See all 20 in the Security Certifications Explorer.
References
- https://support.apple.com/en-us/128066(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/128067(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/128068(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/128069(Release Notes, Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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