VDB
CVE-2026-28858
CVE-2026-28858
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 0.16% · 36.0th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.16%
36.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 |
| apple | iphone_os | 0 |
| apple | ipados | 0 |
Exploit Intelligence
- kaleth4/CVE-2026-28858 (github-poc-repo)
- kaleth4/CVE-2026-28858 (github-poc-repo)
- kaleth4/CVE-2026-28858 (github-poc-repo)
- kaleth4/CVE-2026-28858 (github-poc-repo)
- kaleth4/CVE-2026-28858 (github-poc)
- kaleth4/CVE-2026-28858 (github-poc)
- kaleth4/CVE-2026-28858 (github-poc)
- kaleth4/CVE-2026-28858 (github-poc)
- CIRCL seen: CVE-2026-28858 (circl-sighting)
- https://support.apple.com/en-us/126792 (circl)
…and 8 more exploits
Timeline
- Mar 25, 2026 CVE Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 PoC Published
- Mar 29, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- https://support.apple.com/en-us/126793 advisory
- https://support.apple.com/en-us/126794 advisory
- https://support.apple.com/en-us/126798 advisory
- https://support.apple.com/en-us/126800 advisory
- https://support.apple.com/en-us/126796 advisory
- https://support.apple.com/en-us/126792 advisory
- https://support.apple.com/en-us/126795 advisory
- https://support.apple.com/en-us/126799 advisory
- https://support.apple.com/en-us/126797 advisory
- https://support.apple.com/en-us/126801 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-28858 advisory