Affects widely used Apple platforms (Safari/WebKit, iOS, macOS, visionOS); remote code execution via web content can compromise many enterprise devices.
CVE-2026-112623
Use-after-free in Safari/WebKit allows remote code execution via crafted web content.
Is CVE-2026-112623 being exploited?
Not confirmed. CVE-2026-112623 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 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-112623?
CVE-2026-112623 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-2026-112623?
Yes. A fix has been recorded for CVE-2026-112623. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-112623 affect?
CVE-2026-112623 affects Safari 27.2, iOS 26.7.2, iOS 27.2, iPadOS 26.7.2, and 3 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-112623?
Apply the listed Apple updates immediately; restrict/untrusted web content and enforce web filtering.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote arbitrary code execution on devices via malicious web content (UAF), enabling device compromise, data theft, and persistence.
Immediate action required
- affected< 26.7.2
- affected< 27.2
- affected< 27.2
- affected< 27.2
- affected< 27.2
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.