CVE-2026-43686CWE-416

CVE-2026-43686

High · published September 15, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
42.0
In the wild
Unconfirmed
What it is

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Connecting to a malicious NFS server may lead to kernel memory corruption.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00500 · 42.0th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-15T01:17Z
Affected products (7)
ProductVersionsFixed in
apple/ipados< 26.726.7
apple/iphone_os< 26.726.7
apple/macos≥ 15.0, < 15.815.8
apple/macos≥ 26.0, < 26.726.7
apple/tvos< 27.027.0
apple/visionos< 27.027.0
apple/watchos< 27.027.0
References (8)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149036 · [email protected]https://support.apple.com/en-us/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]https://support.apple.com/en-us/149041 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 16 SEP 04:27Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:51Z
    A use-after-free issue was addressed with improved memory management
    cvelistv5