CVE-2026-28873: This issue was addressed with additional entitlement checks
CVE-2026-28873 is a high-severity flaw (CVSS 7.5) affecting ipados, iphone os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. An app may be able to circumvent App Privacy Report logging.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 77%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-05-11 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-28873?
ipados: upgrade to 18.7.9, 26.4; iphone os: upgrade to 18.7.9, 26.4. Exact commands for each OS are on this page.
Is CVE-2026-28873 being exploited?
CVE-2026-28873 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-28873 affect?
CVE-2026-28873 affects ipados, iphone os. Severity is high (CVSS 7.5). This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. An app may be able to circumvent App Privacy Report logging.
How urgent is CVE-2026-28873?
Priority 37/100. High severity; Remotely exploitable, no login, no user action
Software pages
iOS vulnerabilities · iPadOS vulnerabilities
Related CVEs
- CVE-2026-43668 HIGH 7.5 UPGRADE UPGRADE A use after free issue was addressed with improved memory management
- CVE-2026-28971 MEDIUM 4.3 UPGRADE UPGRADE The issue was addressed with improved UI handling
- CVE-2026-28917 MEDIUM 4.3 UPGRADE UPGRADE The issue was addressed with improved input validation
- CVE-2026-43659 MEDIUM 4.7 UPGRADE UPGRADE A race condition was addressed with additional validation
- CVE-2026-43715 HIGH 8.8 UPGRADE UPGRADE A use-after-free issue was addressed with improved memory management