CVE-2026-43794
Memory corruption in Apple OS web processing that can crash devices (DoS).
Is CVE-2026-43794 being exploited?
Not confirmed. CVE-2026-43794 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-43794?
CVE-2026-43794 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-43794?
Yes. A fix has been recorded for CVE-2026-43794. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-43794 affect?
CVE-2026-43794 affects iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-43794?
Update affected devices to the listed OS versions via MDM or user update.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote memory corruption from crafted web content enabling browser/OS crash (DoS); may enable code execution in some contexts.
Patch when possible
- affected< 18.7.10
- affected< 26.6.1
- affected< 26.6.2
- affected< 26.6.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.