CVE-2026-28994: A use after free issue was addressed with improved memory management
CVE-2026-28994 is a medium-severity flaw (CVSS 5.3) affecting ipados, iphone os, macos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Wi-Fi packets.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-05-11 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · 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-2026-28994?
ipados: upgrade to 18.7.9, 26.5; iphone os: upgrade to 18.7.9, 26.5; macos: upgrade to 14.8.7, 15.7.7, 26.5. Exact commands for each OS are on this page.
Is CVE-2026-28994 being exploited?
CVE-2026-28994 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-2026-28994 affect?
CVE-2026-28994 affects ipados, iphone os, macos. Severity is medium (CVSS 5.3). A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An at
How urgent is CVE-2026-28994?
Priority 22/100. No elevated risk signals yet.
Software pages
iOS vulnerabilities · macOS vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities · tvOS vulnerabilities · Wi-Fi vulnerabilities
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