CVE-2026-23988

Katalog CVE

CVSS 7.0 · High EPSS 0,21%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada akeo rufus. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition (TOCTOU) in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus runs with elevated privileges (Administrator) but writes the script to the %TEMP% directory (writeable by standard users) without locking the file, a local attacker can replace the legitimate script with a malicious one between the file write operation and the execution step. This allows arbitrary code execution with Administrator privileges. This issue has been fixed in version 4.12_BETA.

Rincian

Terbit di NVD

22 Januari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.0 (High), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

EPSS (30 hari)

0,21% peluang dieksploitasi; lebih tinggi dari 10,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/pbatard/rufus/security/advisories/GHSA-hcx5-hrhj-xhq9 exploit · advisory vendor
• https://github.com/pbatard/rufus/commit/460cc5768aa45be07941b9e4ebc9bee02d282873 patch
• https://github.com/pbatard/rufus/releases/tag/v4.12_BETA broken link