CVE-2026-48831CWE-669

Wine ships a .desktop file that registers itself as a MIME handler for EXE files and several other Windows executable file types

High · published May 24, 2026

CVSS v4.0
7.3
EPSS
0%
Percentile
7.2
In the wild
Unconfirmed
What it is

Wine ships a .desktop file that registers itself as a MIME handler for EXE files and several other Windows executable file types. In some configurations, handling of an EXE file causes that file to be blindly executed with the permissions of the invoker. This allows escaping Flatpak and Snap sandboxes, because MIME handlers are not intended for use by code interpreters and loaders. NOTE: some parties feel that this is not a bug to be addressed in Wine, because there is no known solution that avoids a severe loss of usability (Wine could be a binfmt-misc handler, but binfmt-misc does not exist on all platforms supported by Wine).

The record
Technical detail
CVSS v4.0
7.3 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:N/V:D/U:Clear
EPSS
0.00180 · 7.2th percentile
Weakness
CWE-669 · Incorrect Resource Transfer Between Spheres
Published
2026-05-24T20:52Z
EPSS history
Timeline
  • 24 MAY 20:52Z
    Wine ships a .desktop file that registers itself as a MIME handler for EXE files and several other Windows executable file types
    cvelistv5