CVE-2026-86949CWE-829

CVE-2026-86949

High · published October 20, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
1.1
In the wild
Unconfirmed
What it is

This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00108 · 1.1th percentile
Weakness
CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Published
2026-10-20T05:17Z
References (1)
https://support.apple.com/en-us/149040 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 20 OCT 00:50Z
    This issue was addressed by enforcing library validation on the affected binaries
    cvelistv5
  • 20 OCT 00:50Z
    This issue was addressed by enforcing library validation on the affected binaries
    cvelistv5