GHSA-f8vp-hxq7-7vh8 · Severity: medium — A denial-of-service issue was addressed with improved input validation. This issue is fixed in...
A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4. An attacker in a privileged network position may be able to cause a denial-of-service.
Conclusion & alert: CVE-2026-28967 is rated Low Risk (25.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-17 | 0.02% | 0.05% | +0.04% |
| 2 | 2026-05-12 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 3.1 | MEDIUM |
|
1.2 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-f8vp-hxq7-7vh8 · Severity: medium — A denial-of-service issue was addressed with improved input validation. This issue is fixed in...
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | ipados | < 18.7.7 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | ipados | >= 26.0, < 26.4 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 18.7.7 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | iphone_os | >= 26.0, < 26.4 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/126792 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126793 | Release Notes Vendor Advisory |