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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-23988

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.3%
CVSS Severity
CVSS v3 Score 7.3
Products affected by CVE-2026-23988
  • Akeo » Rufus » Version: 1.0.3
    cpe:2.3:a:akeo:rufus:1.0.3
  • Akeo » Rufus » Version: 1.0.4
    cpe:2.3:a:akeo:rufus:1.0.4
  • Akeo » Rufus » Version: 1.0.5
    cpe:2.3:a:akeo:rufus:1.0.5
  • Akeo » Rufus » Version: 1.0.6
    cpe:2.3:a:akeo:rufus:1.0.6
  • Akeo » Rufus » Version: 1.0.7
    cpe:2.3:a:akeo:rufus:1.0.7
  • Akeo » Rufus » Version: 1.1.0
    cpe:2.3:a:akeo:rufus:1.1.0
  • Akeo » Rufus » Version: 1.1.1
    cpe:2.3:a:akeo:rufus:1.1.1
  • Akeo » Rufus » Version: 1.1.2
    cpe:2.3:a:akeo:rufus:1.1.2
  • Akeo » Rufus » Version: 1.1.3
    cpe:2.3:a:akeo:rufus:1.1.3
  • Akeo » Rufus » Version: 1.1.4
    cpe:2.3:a:akeo:rufus:1.1.4
  • Akeo » Rufus » Version: 1.1.5
    cpe:2.3:a:akeo:rufus:1.1.5
  • Akeo » Rufus » Version: 1.1.6
    cpe:2.3:a:akeo:rufus:1.1.6
  • Akeo » Rufus » Version: 1.1.7
    cpe:2.3:a:akeo:rufus:1.1.7
  • Akeo » Rufus » Version: 1.2.0
    cpe:2.3:a:akeo:rufus:1.2.0
  • Akeo » Rufus » Version: 1.3.0
    cpe:2.3:a:akeo:rufus:1.3.0
  • Akeo » Rufus » Version: 1.3.1
    cpe:2.3:a:akeo:rufus:1.3.1
  • Akeo » Rufus » Version: 1.3.2
    cpe:2.3:a:akeo:rufus:1.3.2
  • Akeo » Rufus » Version: 1.3.3
    cpe:2.3:a:akeo:rufus:1.3.3
  • Akeo » Rufus » Version: 1.3.4
    cpe:2.3:a:akeo:rufus:1.3.4
  • Akeo » Rufus » Version: 1.4.0
    cpe:2.3:a:akeo:rufus:1.4.0
  • Akeo » Rufus » Version: 1.4.1
    cpe:2.3:a:akeo:rufus:1.4.1
  • Akeo » Rufus » Version: 1.4.10
    cpe:2.3:a:akeo:rufus:1.4.10
  • Akeo » Rufus » Version: 1.4.11
    cpe:2.3:a:akeo:rufus:1.4.11
  • Akeo » Rufus » Version: 1.4.12
    cpe:2.3:a:akeo:rufus:1.4.12
  • Akeo » Rufus » Version: 1.4.2
    cpe:2.3:a:akeo:rufus:1.4.2
  • Akeo » Rufus » Version: 1.4.3
    cpe:2.3:a:akeo:rufus:1.4.3
  • Akeo » Rufus » Version: 1.4.4
    cpe:2.3:a:akeo:rufus:1.4.4
  • Akeo » Rufus » Version: 1.4.5
    cpe:2.3:a:akeo:rufus:1.4.5
  • Akeo » Rufus » Version: 1.4.6
    cpe:2.3:a:akeo:rufus:1.4.6
  • Akeo » Rufus » Version: 1.4.7
    cpe:2.3:a:akeo:rufus:1.4.7
  • Akeo » Rufus » Version: 1.4.8
    cpe:2.3:a:akeo:rufus:1.4.8
  • Akeo » Rufus » Version: 1.4.9
    cpe:2.3:a:akeo:rufus:1.4.9
  • Akeo » Rufus » Version: 2.0
    cpe:2.3:a:akeo:rufus:2.0
  • Akeo » Rufus » Version: 2.1
    cpe:2.3:a:akeo:rufus:2.1
  • Akeo » Rufus » Version: 2.10
    cpe:2.3:a:akeo:rufus:2.10
  • Akeo » Rufus » Version: 2.11
    cpe:2.3:a:akeo:rufus:2.11
  • Akeo » Rufus » Version: 2.12
    cpe:2.3:a:akeo:rufus:2.12
  • Akeo » Rufus » Version: 2.13
    cpe:2.3:a:akeo:rufus:2.13
  • Akeo » Rufus » Version: 2.14
    cpe:2.3:a:akeo:rufus:2.14
  • Akeo » Rufus » Version: 2.15
    cpe:2.3:a:akeo:rufus:2.15
  • Akeo » Rufus » Version: 2.16
    cpe:2.3:a:akeo:rufus:2.16
  • Akeo » Rufus » Version: 2.17
    cpe:2.3:a:akeo:rufus:2.17
  • Akeo » Rufus » Version: 2.18
    cpe:2.3:a:akeo:rufus:2.18
  • Akeo » Rufus » Version: 2.2
    cpe:2.3:a:akeo:rufus:2.2
  • Akeo » Rufus » Version: 2.3
    cpe:2.3:a:akeo:rufus:2.3
  • Akeo » Rufus » Version: 2.4
    cpe:2.3:a:akeo:rufus:2.4
  • Akeo » Rufus » Version: 2.5
    cpe:2.3:a:akeo:rufus:2.5
  • Akeo » Rufus » Version: 2.6
    cpe:2.3:a:akeo:rufus:2.6
  • Akeo » Rufus » Version: 2.7
    cpe:2.3:a:akeo:rufus:2.7
  • Akeo » Rufus » Version: 2.8
    cpe:2.3:a:akeo:rufus:2.8
  • Akeo » Rufus » Version: 2.9
    cpe:2.3:a:akeo:rufus:2.9
  • Akeo » Rufus » Version: 3.0
    cpe:2.3:a:akeo:rufus:3.0
  • Akeo » Rufus » Version: 3.1
    cpe:2.3:a:akeo:rufus:3.1
  • Akeo » Rufus » Version: 3.10
    cpe:2.3:a:akeo:rufus:3.10
  • Akeo » Rufus » Version: 3.11
    cpe:2.3:a:akeo:rufus:3.11
  • Akeo » Rufus » Version: 3.12
    cpe:2.3:a:akeo:rufus:3.12
  • Akeo » Rufus » Version: 3.13
    cpe:2.3:a:akeo:rufus:3.13
  • Akeo » Rufus » Version: 3.14
    cpe:2.3:a:akeo:rufus:3.14
  • Akeo » Rufus » Version: 3.15
    cpe:2.3:a:akeo:rufus:3.15
  • Akeo » Rufus » Version: 3.16
    cpe:2.3:a:akeo:rufus:3.16
  • Akeo » Rufus » Version: 3.17
    cpe:2.3:a:akeo:rufus:3.17
  • Akeo » Rufus » Version: 3.18
    cpe:2.3:a:akeo:rufus:3.18
  • Akeo » Rufus » Version: 3.19
    cpe:2.3:a:akeo:rufus:3.19
  • Akeo » Rufus » Version: 3.2
    cpe:2.3:a:akeo:rufus:3.2
  • Akeo » Rufus » Version: 3.20
    cpe:2.3:a:akeo:rufus:3.20
  • Akeo » Rufus » Version: 3.21
    cpe:2.3:a:akeo:rufus:3.21
  • Akeo » Rufus » Version: 3.22
    cpe:2.3:a:akeo:rufus:3.22
  • Akeo » Rufus » Version: 3.3
    cpe:2.3:a:akeo:rufus:3.3
  • Akeo » Rufus » Version: 3.4
    cpe:2.3:a:akeo:rufus:3.4
  • Akeo » Rufus » Version: 3.5
    cpe:2.3:a:akeo:rufus:3.5
  • Akeo » Rufus » Version: 3.6
    cpe:2.3:a:akeo:rufus:3.6
  • Akeo » Rufus » Version: 3.7
    cpe:2.3:a:akeo:rufus:3.7
  • Akeo » Rufus » Version: 3.8
    cpe:2.3:a:akeo:rufus:3.8
  • Akeo » Rufus » Version: 3.9
    cpe:2.3:a:akeo:rufus:3.9
  • Akeo » Rufus » Version: 4.0
    cpe:2.3:a:akeo:rufus:4.0
  • Akeo » Rufus » Version: 4.1
    cpe:2.3:a:akeo:rufus:4.1
  • Akeo » Rufus » Version: 4.10
    cpe:2.3:a:akeo:rufus:4.10
  • Akeo » Rufus » Version: 4.11
    cpe:2.3:a:akeo:rufus:4.11
  • Akeo » Rufus » Version: 4.2
    cpe:2.3:a:akeo:rufus:4.2
  • Akeo » Rufus » Version: 4.3
    cpe:2.3:a:akeo:rufus:4.3
  • Akeo » Rufus » Version: 4.4
    cpe:2.3:a:akeo:rufus:4.4
  • Akeo » Rufus » Version: 4.5
    cpe:2.3:a:akeo:rufus:4.5
  • Akeo » Rufus » Version: 4.6
    cpe:2.3:a:akeo:rufus:4.6
  • Akeo » Rufus » Version: 4.7
    cpe:2.3:a:akeo:rufus:4.7
  • Akeo » Rufus » Version: 4.8
    cpe:2.3:a:akeo:rufus:4.8
  • Akeo » Rufus » Version: 4.9
    cpe:2.3:a:akeo:rufus:4.9


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