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major vulnerability· requires attention

Actively exploited, affects widely deployed Apple OSes (iOS/iPadOS/macOS); arbitrary code execution risk and CISA KEV — broad org impact if unpatched.

Systems

CVE-2026-86950

8.8
High
KEV · Exploited in wildEPSS 0.81%Patch availableSep 29, 2026

CoreGraphics out-of-bounds write in Apple OSes enabling arbitrary code execution via crafted files.

common questions

Is CVE-2026-86950 being exploited?

Yes. CVE-2026-86950 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2026-86950?

CVE-2026-86950 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-2026-86950?

Yes. A fix has been recorded for CVE-2026-86950. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-86950 affect?

CVE-2026-86950 affects iOS <27 (fixed in iOS 26.7.1), iPadOS <27 (fixed in iPadOS 26.7.1), macOS Sequoia <15.8.1 (fixed in 15.8.1), macOS Tahoe <26.7.1 (fixed in 26.7.1). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-86950?

Install Apple updates immediately; isolate/scan suspected devices and follow CISA BOD 26-04 guidance.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
iOS <27 (fixed in iOS 26.7.1)iPadOS <27 (fixed in iPadOS 26.7.1)macOS Sequoia <15.8.1 (fixed in 15.8.1)macOS Tahoe <26.7.1 (fixed in 26.7.1)
impact

Processing a malicious file can trigger arbitrary code execution, allowing attackers to run code, compromise devices, and exfiltrate data.

action required

Immediate action required

affected versions
Apple iOS and iPadOS
  • affected< 26.7.1
Apple macOS
  • affected< 15.8.1
  • affected< 26.7.1

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.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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