Vulnerability Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected process termination.
References
- https://support.apple.com/en-us/149227
- https://support.apple.com/en-us/149230
- https://support.apple.com/en-us/149521
- https://support.apple.com/en-us/149522
- https://support.apple.com/en-us/149523
- https://support.apple.com/en-us/149526
FAQ
What is CVE-2026-86991?
CVE-2026-86991 is a documented vulnerability. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe ...
How severe is CVE-2026-86991?
CVSS scoring is not yet available for CVE-2026-86991. Check NVD for updates.
Is there a patch for CVE-2026-86991?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.