CVE-2026-84599

HIGH 7.8CVE-2026-84599 · Published 26/10/2026 · updated 02/11/2026

In short

CVE-2026-84599 is a HIGH (CVSS 7.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.14%, higher than 3.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

References

support.apple.com/en-us/149034 · Vendor Advisory
support.apple.com/en-us/149035 · Vendor Advisory
support.apple.com/en-us/149036 · Vendor Advisory
support.apple.com/en-us/149037 · Vendor Advisory
support.apple.com/en-us/149038 · Vendor Advisory
support.apple.com/en-us/149042 · Vendor Advisory
support.apple.com/en-us/149043 · Vendor Advisory
support.apple.com/en-us/149227 · Vendor Advisory

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